Fait général: 23623 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 23623 is an unremarkable number.
Culture générale: 23623 is an uninteresting number.
Date historique: September 3rd is the day in 1954 that the German U-Boat U-505 begins its move from a specially constructed dock to its final site at Chicago's Museum of Science and Industry.