23391268 has 18 divisors (see below), whose sum is σ = 41503686. Its totient is φ = 11535264.

The previous prime is 23391257. The next prime is 23391271. The reversal of 23391268 is 86219332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14379264 + 9012004 = 3792^2 + 3002^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24496 + ... + 25432.

Almost surely, 2^23391268 is an apocalyptic number.

It is an amenable number.

23391268 is a deficient number, since it is larger than the sum of its proper divisors (18112418).

23391268 is an equidigital number, since it uses as much as digits as its factorization.

23391268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1018 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 23391268 is about 4836.4520053444. The cubic root of 23391268 is about 285.9902681416.

The spelling of 23391268 in words is "twenty-three million, three hundred ninety-one thousand, two hundred sixty-eight".