{{I=Puzzle3BottomCenter.jpg=200=right=Image from the jigsaw puzzles.}}
'''23''' is the fifth of the Numbers. It is the only prime number in the sequence. Below is a list of appearances on the show, by episodes chronology. 

==Occurrences in the show==
===Season 1===

{{I=1x24 Gate23.jpg=200=right=Oceanic Flight 815 left Sydney from Gate '''23'''.}}
* Jack Shephard sat in seat '''23'''B. {{crossref}}
* Rose sat in seat '''23'''D. {{crossref}}
* Bernard sat in seat '''23'''E. {{crossref}}
* Kate Austen had a $'''23''',000 bounty on her head. {{crossref}}
* Danielle asked Sayid where Alex was '''23''' times. {{crossref}}
* Jack pounded on Charlie's chest '''23''' times until Kate made him stop. {{crossref}}
* Drive Shaft was 234 on the juke box. {{crossref}}
* The number '''23''' appeared as part of a PIN on one of the crates found inside the drug smugglers' plane. {{crossref}}
* The departure gate for flight 815 was '''23'''. {{crossref}}
* Hurley's hotel room in Sydney was number '''23'''42. {{crossref}}
* The temperature in Sydney the day Flight 815 departed was '''23'''°C.
* The Oceanic logo was made of '''23''' dots.

===Season 2===

{{I=Oth1.jpg=200=right=There were '''23''' survivors at the tail section of the plane.}}
*'''23''' is the second to last number to the combination in the hatch gun safe. {{crossref}}
* When Jack met Desmond in the stadium, Jack tripped when he was about to get past seat row Number '''23'''.
* The letter "W",  which prominently appears on a woman's t-shirt in the caves as Jack reassured them of their safety, is the '''23'''rd letter of the alphabet. {{crossref}}
* '''23''' people survived the crash in the Tailies of the plane according to Libby (this, however, included Goodwin). {{crossref}}
* There were '''23''' survivors outside of the mid-section 42 the 22 tailies and the pilot. {{crossref}}
* Nathan died on Day '''23'''. {{crossref}}
* The timer had '''23''' seconds left when Jack and Locke discovered that Kate abandoned the Swan. {{crossref}}
* Eko recited Psalm '''23''' as he set the plane on fire. The '''23'''rd Psalm is also the episode title. {{crossref}}
* Part of the video reel that Kelvin showed to Sayid was number 23108-42 . {{crossref}}
* Sayid said he was '''23''' years old when he was captured in the Persian Gulf War. {{crossref}}
* The sum of the real Henry Gale's zip code numbers was '''23'''. {{crossref}}
* '''23''' people were standing on the deck when it collapsed with Hurley on it; Dr. Brooks said it was built to only hold 8. {{crossref}}
* Desmond looked at letters he sent to Penny while he was in jail. Penny's address was '''23''' Dansmore Gardens. {{crossref}}
* The number '''23''' was on one of the LAPD cars. {{crossref}}

{{I=Lost_number_23.jpg=200=right=Karl inside Room '''23'''.}}

===Season 3===

* Jack's pager had the time 715'''23''' on it. {{crossref}}
* Eddie Colburn's Humboldt County Sheriff's Department ID number was 840'''23'''. {{crossref}}
* Munson's 10 Million was hidden in unit '''23'''c. {{crossref}}
* Eko was reciting the 23rd Psalm when the Monster attacked him. {{crossref}}.
* Karl was being held in Room 23'''23''' in the Hydra prison. {{crossref}}
* Juliet entered 16'''23''' into the sonic fence keypad. {{crossref}}
* The radio volume in the van was set to level '''23''' when Drive Shaft's song started playing. {{crossref}}
{{I=3x21-channel-23.jpg=200=right=Channel 23 plays Drive Shaft.}}

===Season 4===
* A metallic object with the number '''23''' appeared at Polar bears. {{crossref}}
* The docket number of Kate's trial was 42'''23'''1615, the last four the Numbers in reverse. {{crossref}}
* The appropriate setting for Daniel Faraday's consciousness time-transporting device at Oxford University's Queen's College Physics Department was '''2.3'''42. {{crossref}}
* The Black Rock ledger of the first mate of the ''Black Rock'' was sold at auction in lot #'''23'''42. {{crossref}}
* Penelope Widmore's home address was 4'''23''' Cheyne Walk. {{crossref}}
* There were written "X"s marking every day from October 1st to December '''23'''rd on the 2004 calendar in the Kahana's sickbay. In addition, only four of these "X"s were marked in yellow on the days of October 20th through October '''23'''rd. {{crossref}}
* The license plate number of the taxi Jin chased was '''23'''69. {{crossref}}
* The secret clues on yahoo's web site http//au.yahoo.com/lost/clue/clue407.html mentions that the last Year of the Dragon {{crossref}} is from the 5th of February 2000 to the '''23'''rd of January 2001.

===Season 5===
* Jack's cell phone number was 3'''23'''-555-0156. {{crossref}}
* Ben instructed Jack to meet up at the Long Beach Marina, Slip '''23'''. {{crossref}}
* The photo of the island that Jack saw in the Lamp Post station was dated 9/'''23'''/54. The sum of these digits equals 23 9+2+3+5+4. {{crossref}} 
* As Eloise Hawking was explaining the origins of the Lamp Post to everyone, the camera sweeps over the floor, and scribbled on the map of the Pacific are several numbers — including 30' '''23''' N, and 15' 22 E. {{crossref}} 
* Widmore instructed Locke to dial '''23''' whenever Locke needed to get in contact with him on the international phone that he gave him.  {{crossref}}
* Richard first met Daniel in 1954 and again 23 years later in 1977. {{crossref}} {{crossref}}
* Sayid assassinated a man at the address 23 …Russian text.  {{crossref}}
* On the ''Sports Illustrated'' that Miles reads in Some Like It Hoth, it reads "After '''23''' years…"

===Season 6===
{{I=6x04-Jacob's_WallShepherd.jpg=200=right=Jack is revealed to be number 23 inside Jacob's cave wall in {{ep}}.}}
* The numbers in the license plate (4DQ5554) of the taxi that Kate carjacked add up to '''23'''. {{crossref}}
* Jack Shephard was number '''23''' on Jacob's list on the cave wall. {{crossref}}
* When the lens assembly at the top of the The_Lighthouse was aligned to '''23''' degrees, Jack Shephard's childhood home could be observed. {{crossref}}
* The numerical address for the home of Juliet Burke's mother was '''23'''. {{crossref}}
* When Sayid was woken up by Omer in the flash-sideways, he commented that it was '''23'''0 in the morning. {{crossref}}
* When Lapidus was lifting off the Ajira plane, the camera showed the odometer spin past '''23''', then 42.  {{crossref}}
* At the concert, Jack's family sat at table '''23'''. {{crossref}}
* The Apollo bar Sawyer bought at the hospital was on slot '''23''' of the candy machine. {{crossref}}
* The finale of the series aired on Sunday, May '''23''', 2010.

* Walt was held in Room 23 in the Hydra Prison. {{crossref}}

==''The Lost Experience''==
* There were '''23''' minutes between Zander and Clifford Widmore's births. {{crossref}}
* The Hanso Foundation wished to purchase '''23''' Jeep Compass vehicles. {{crossref}}

==Find 815==
*The last journal entry by Sam Thomas at www.find815.com Find 815 is dated Feb '''23''' 2.43 am

==Outside the show and real life occurrences==
* The 23rd Psalm starts "The Lord is my Shepherd," which is also the number given to Jack Shephard. http//www.biblegateway.com/passage/?search=Psalm+23&version=NIV

* In the Bible 23 is the number of letters in the verse "And God said, ‘Let there be light!’ And there was light." – Genesis 13.

* Building 23 is the name of the building in Burbank, CA where ''Lost'' executive producer Damon Lindelof works. 
* wikipedia23_skidoo''23-skidoo'' (sometimes spelled ''23-skiddoo'') was an American slang phrase in the early 20th century meaning, "Let's get out of here as fast as we can!"
* 23 is said to be the number of the Illuminati and as such has part in many conspiracy theories. One of the most notable examples is http//www.rawilson.com Robert Anton Wilson and Robert Shea's novel, The Illuminatus! Trilogy, in which the repeated occurrences of the number 23 in seemingly disparate situations is a principal plot element. There have been a http//www.dharmasecrets.com/forum/index.php?topic=1379.msg17115Damon Lindelof in interviews, pertaining to Illuminatus! and its influence on Lost.
* The Principia Discordia, principle text of the Discordian religion, holds high regard for "The Holy 23," due to its relation to the number 5.  The Law of Fives states that "All things happen in fives, or are divisible by or are multiples of five, or are somehow directly or indirectly appropriate to 5.  The Law of Fives is never wrong."http//www.principiadiscordia.com/book/23.php Principia Discordia, page 00016  The Principia and its constituent ideas were a strong influence on Robert Anton Wilson, among others.http//www.principiadiscordia.com/book/1.php Principia Discordia, Forward
* Humans have 23 pairs of chromosomes.
* There are 23 discs in the human spine, Jack is a spinal surgeon.
* The Earth's axis is tilted at a 23.5 degree angle.
* Latitude 4.815, Longitude 162.342 are the GPS coordinates that lead to a point in the Pacific Ocean on the trail from Australia to L.A. If you go to these coordinates in http//maps.google.com/maps?f=q&hl=en&q=4.815++162.342&ll=4.47238,162.268066&spn=3.882042,6.943359&t=h&om=1 Google Maps , there is a real island very close to those coordinates. On that island there is a runway marked 23, and another runway marked 5. 
* The average person breathes about 23,000 times a day.
* In the sci-fi TV series ''wikipediaMax Headroom (TV series)'', the heroes worked for TV station Network 23.
* It takes 23 seconds for blood to make a complete circuit of the human body.
* wikipediaMichael Jordan and his famous jersey 23.
* wikipediaLebron James and his famous jersey 23. 
* There are 23 steps between floors in the Pentagon.
* Julius Caesar was stabbed 23 times.
* WikipediaLaura Palmer was killed on Feb. 23.
* wikipediaThe Number 23. It was released on Feb. 23, 2007.
* In the Charles Dickens novel, ''A Tale of Two Cities'', Sydney Carton sacrifices his life by taking his look-alike Charles Darnay's place at the guillotine. He is prisoner number 23.



Category4, 8, 15, 16, 23, 42
CategoryRecurring Themes