23655828 has 36 divisors (see below), whose sum is σ = 64210272. Its totient is φ = 6758640.

The previous prime is 23655809. The next prime is 23655829. The reversal of 23655828 is 82855632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23655829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19528 + ... + 20703.

Almost surely, 2^23655828 is an apocalyptic number.

23655828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23655828 is an abundant number, since it is smaller than the sum of its proper divisors (40554444).

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

23655828 is a wasteful number, since it uses less digits than its factorization.

23655828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40252 (or 40243 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 23655828 is about 4863.7257323990. The cubic root of 23655828 is about 287.0644313005.

The spelling of 23655828 in words is "twenty-three million, six hundred fifty-five thousand, eight hundred twenty-eight".