This number is a prime.
Steam locomotive number 433 stands at the trailhead of the Virginia Creeper Trail in Abingdon, Virginia.
The Mid Ocean Golf Club in Bermuda has a 433-yard fifth known as the "Cape." [Mello]
The modernist poem "The Waste Land" by T. S. Eliot is often cited as having a line count of 433, but actually contains one more. The error is due to the author himself footnoting some of the last lines incorrectly.
433^4 = 35152125121 and 035+152+125+121 = 433. [Machio]
The first multidigit prime p such that 30*p+11 starts a prime quadruplet, (13001, 13003, 13007, 13009). Note that the sums of digits of its members make the first quadruplet (5, 7, 11, 13). [Loungrides]
Bill McKaig, a Presbyterian minister from Glasgow, Scotland, once scored a maximum 433 points on 15-1, a quiz show in Britain. [Homewood]