943

943 = 23 x 41.

943*349! - 1 is a titanic prime.

943 is a Lucas 6-step number.

943 and the 943rd prime (7451) have only the digit 4 in common (A107935).

943 is the sum of 18 and no fewer nonzero fourth powers (A046049): 943 = 4⁴ + 3⁴ + 3⁴ + 3⁴ + 3⁴ + 3⁴ + 3⁴ + 3⁴ + 3⁴ + 2⁴ + 2⁴ + 1⁴ + 1⁴ + 1⁴ + 1⁴ + 1⁴ + 1⁴ + 1⁴.

Source: Prime Curios!