23420392 has 16 divisors (see below), whose sum is σ = 44015040. Its totient is φ = 11683056.

The previous prime is 23420387. The next prime is 23420437. The reversal of 23420392 is 29302432.

It is a super-2 number, since 2×23420392² = 1097029522867328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543 + ... + 6865.

It is an arithmetic number, because the mean of its divisors is an integer number (2750940).

Almost surely, 2^23420392 is an apocalyptic number.

It is an amenable number.

23420392 is a deficient number, since it is larger than the sum of its proper divisors (20594648).

23420392 is a wasteful number, since it uses less digits than its factorization.

23420392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6792 (or 6788 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23420392 is about 4839.4619535647. The cubic root of 23420392 is about 286.1089125025.

The spelling of 23420392 in words is "twenty-three million, four hundred twenty thousand, three hundred ninety-two".