23409992 has 16 divisors (see below), whose sum is σ = 43947900. Its totient is φ = 11690560.

The previous prime is 23409977. The next prime is 23410019. The reversal of 23409992 is 29990432.

It can be written as a sum of positive squares in 2 ways, for example, as 23367556 + 42436 = 4834^2 + 206^2 .

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 3 ways as a sum of consecutive naturals, for example, 8642 + ... + 11022.

Almost surely, 2^23409992 is an apocalyptic number.

It is an amenable number.

23409992 is a deficient number, since it is larger than the sum of its proper divisors (20537908).

23409992 is a wasteful number, since it uses less digits than its factorization.

23409992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616 (or 3612 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 23409992 is about 4838.3873346395. The cubic root of 23409992 is about 286.0665566326.

The spelling of 23409992 in words is "twenty-three million, four hundred nine thousand, nine hundred ninety-two".