423073972 has 6 divisors (see below), whose sum is σ = 740379458. Its totient is φ = 211536984.

The previous prime is 423073933. The next prime is 423073997. The reversal of 423073972 is 279370324.

It can be written as a sum of positive squares in only one way, i.e., 290225296 + 132848676 = 17036^2 + 11526^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52884243 + ... + 52884250.

Almost surely, 2^423073972 is an apocalyptic number.

It is an amenable number.

423073972 is a deficient number, since it is larger than the sum of its proper divisors (317305486).

423073972 is a wasteful number, since it uses less digits than its factorization.

423073972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105768497 (or 105768495 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 423073972 is about 20568.7620434483. The cubic root of 423073972 is about 750.7098299027.

The spelling of 423073972 in words is "four hundred twenty-three million, seventy-three thousand, nine hundred seventy-two".