23972944 has 10 divisors (see below), whose sum is σ = 46447610. Its totient is φ = 11986464.

The previous prime is 23972909. The next prime is 23972957. The reversal of 23972944 is 44927932.

It can be written as a sum of positive squares in only one way, i.e., 14288400 + 9684544 = 3780^2 + 3112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23972897 and 23972906.

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, 749139 + ... + 749170.

It is an arithmetic number, because the mean of its divisors is an integer number (4644761).

Almost surely, 2^23972944 is an apocalyptic number.

It is an amenable number.

23972944 is a deficient number, since it is larger than the sum of its proper divisors (22474666).

23972944 is a wasteful number, since it uses less digits than its factorization.

23972944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498317 (or 1498311 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 23972944 is about 4896.2173154385. The cubic root of 23972944 is about 288.3414802365.

The spelling of 23972944 in words is "twenty-three million, nine hundred seventy-two thousand, nine hundred forty-four".