23642560 has 28 divisors (see below), whose sum is σ = 56299608. Its totient is φ = 9456896.

The previous prime is 23642557. The next prime is 23642573. The reversal of 23642560 is 6524632.

It is a happy number.

It is a congruent number.

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, 36622 + ... + 37261.

Almost surely, 2^23642560 is an apocalyptic number.

23642560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23642560 is an abundant number, since it is smaller than the sum of its proper divisors (32657048).

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

23642560 is an equidigital number, since it uses as much as digits as its factorization.

23642560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73900 (or 73890 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 23642560 is about 4862.3615661528. The cubic root of 23642560 is about 287.0107520243.

The spelling of 23642560 in words is "twenty-three million, six hundred forty-two thousand, five hundred sixty".