23402568 has 32 divisors (see below), whose sum is σ = 66864960. Its totient is φ = 6686400.

The previous prime is 23402563. The next prime is 23402573. The reversal of 23402568 is 86520432.

It is an interprime number because it is at equal distance from previous prime (23402563) and next prime (23402573).

It is not an unprimeable number, because it can be changed into a prime (23402563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69483 + ... + 69818.

It is an arithmetic number, because the mean of its divisors is an integer number (2089530).

Almost surely, 2^23402568 is an apocalyptic number.

23402568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23402568 is an abundant number, since it is smaller than the sum of its proper divisors (43462392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23402568 is a wasteful number, since it uses less digits than its factorization.

23402568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139317 (or 139313 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 23402568 is about 4837.6200760291. The cubic root of 23402568 is about 286.0363133835.

The spelling of 23402568 in words is "twenty-three million, four hundred two thousand, five hundred sixty-eight".