general_fact: 45423 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 45423 is a boring number.
trivia: 45423 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: May 12th is the day in 1941 that Konrad Zuse presents the Z3, the world's first working programmable, fully automatic computer, in Berlin.