23648556 has 12 divisors (see below), whose sum is σ = 55179992. Its totient is φ = 7882848.

The previous prime is 23648533. The next prime is 23648579. The reversal of 23648556 is 65584632.

It is an interprime number because it is at equal distance from previous prime (23648533) and next prime (23648579).

It is a tau number, because it is divible by the number of its divisors (12).

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, 985345 + ... + 985368.

Almost surely, 2^23648556 is an apocalyptic number.

It is an amenable number.

23648556 is an abundant number, since it is smaller than the sum of its proper divisors (31531436).

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

23648556 is a wasteful number, since it uses less digits than its factorization.

23648556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970720 (or 1970718 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 23648556 is about 4862.9780998890. The cubic root of 23648556 is about 287.0350129476.

The spelling of 23648556 in words is "twenty-three million, six hundred forty-eight thousand, five hundred fifty-six".