23931968 has 14 divisors (see below), whose sum is σ = 47490126. Its totient is φ = 11965952.

The previous prime is 23931967. The next prime is 23931979. The reversal of 23931968 is 86913932.

It can be written as a sum of positive squares in only one way, i.e., 20720704 + 3211264 = 4552^2 + 1792^2 .

It is not an unprimeable number, because it can be changed into a prime (23931967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186905 + ... + 187032.

Almost surely, 2^23931968 is an apocalyptic number.

It is an amenable number.

23931968 is a deficient number, since it is larger than the sum of its proper divisors (23558158).

23931968 is an equidigital number, since it uses as much as digits as its factorization.

23931968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373949 (or 373939 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 23931968 is about 4892.0310710379. The cubic root of 23931968 is about 288.1771030039.

The spelling of 23931968 in words is "twenty-three million, nine hundred thirty-one thousand, nine hundred sixty-eight".