23

The Number 23 is one of the six "Numbers" (4 8 15 16 23 42). The number 23 has appeared in the following places.

[edit] 23

# of times Jack hits Charlie on the chest, before performing CPR, and before Kate tells him to stop.
# of time we hear Jin hit the axe on the raft.
# of survivors from the back of the plane.
The digits 23 appear as part of a pin number on one of the crates found inside the drug plane.
There is a poster on the wall at the pool hall in Confidence Man, the date is May 23rd.
When Michael looks at the clock in the hotel room it displats 5:23AM.
Jack’s seat number was 23 B.
Flight left from Gate 23.
Nathan got a banana on Day 23, killed later that night.
When everyone returns from Shannon’s funeral, the counter was on 23 seconds.
When Locke is explaining the computers to Michael, the counter is on 23 minutes.
The deck which collapsed while Hurley was standing on it carried 23 people at the time.
The cop car number at the LAPD where Ana Lucia worked.
The reward for turning in Kate: 23,000$