23015808 has 48 divisors (see below), whose sum is σ = 66233700. Its totient is φ = 7671552.

The previous prime is 23015803. The next prime is 23015809. The reversal of 23015808 is 80851032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23015803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8838 + ... + 11141.

Almost surely, 2^23015808 is an apocalyptic number.

It is an amenable number.

23015808 is an abundant number, since it is smaller than the sum of its proper divisors (43217892).

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

23015808 is a wasteful number, since it uses less digits than its factorization.

23015808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19999 (or 19984 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 23015808 is about 4797.4793381525. The cubic root of 23015808 is about 284.4518364688.

The spelling of 23015808 in words is "twenty-three million, fifteen thousand, eight hundred eight".