23390992 has 40 divisors (see below), whose sum is σ = 46918872. Its totient is φ = 11289600.

The previous prime is 23390981. The next prime is 23391001. The reversal of 23390992 is 29909332.

It can be written as a sum of positive squares in 4 ways, for example, as 197136 + 23193856 = 444^2 + 4816^2 .

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 7 ways as a sum of consecutive naturals, for example, 118638 + ... + 118834.

Almost surely, 2^23390992 is an apocalyptic number.

It is an amenable number.

23390992 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

23390992 is a wasteful number, since it uses less digits than its factorization.

23390992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 23390992 is about 4836.4234719470. The cubic root of 23390992 is about 285.9891433113.

The spelling of 23390992 in words is "twenty-three million, three hundred ninety thousand, nine hundred ninety-two".