23568540 has 24 divisors (see below), whose sum is σ = 65992080. Its totient is φ = 6284928.

The previous prime is 23568539. The next prime is 23568541. The reversal of 23568540 is 4586532.

It is an interprime number because it is at equal distance from previous prime (23568539) and next prime (23568541).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23568541) 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, 196345 + ... + 196464.

It is an arithmetic number, because the mean of its divisors is an integer number (2749670).

Almost surely, 2^23568540 is an apocalyptic number.

23568540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23568540 is an abundant number, since it is smaller than the sum of its proper divisors (42423540).

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

23568540 is a wasteful number, since it uses less digits than its factorization.

23568540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392821 (or 392819 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 23568540 is about 4854.7440715243. The cubic root of 23568540 is about 286.7109149893.

The spelling of 23568540 in words is "twenty-three million, five hundred sixty-eight thousand, five hundred forty".