Fait mathématique: 43607 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 43607 is an uninteresting number.
Date historique: May 23rd is the day in 1813 that South American independence leader Simón Bolívar enters Mérida, leading the invasion of Venezuela, and is proclaimed El Libertador ("The Liberator").