General fact: 43459 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 43459 is an unremarkable number.
Trivia: 43459 is an uninteresting number.
Historical date: December 26th is the day in 1986 that the first long-running American television soap opera, Search for Tomorrow, airs its final episode after 35 years on the air.