23231972 has 12 divisors (see below), whose sum is σ = 41322876. Its totient is φ = 11425440.

The previous prime is 23231969. The next prime is 23231993. The reversal of 23231972 is 27913232.

It can be written as a sum of positive squares in 2 ways, for example, as 2292196 + 20939776 = 1514^2 + 4576^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47363 + ... + 47850.

It is an arithmetic number, because the mean of its divisors is an integer number (3443573).

Almost surely, 2^23231972 is an apocalyptic number.

It is an amenable number.

23231972 is a deficient number, since it is larger than the sum of its proper divisors (18090904).

23231972 is a wasteful number, since it uses less digits than its factorization.

23231972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95278 (or 95276 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 23231972 is about 4819.9556014553. The cubic root of 23231972 is about 285.3395849554.

The spelling of 23231972 in words is "twenty-three million, two hundred thirty-one thousand, nine hundred seventy-two".