23101904 has 40 divisors (see below), whose sum is σ = 51395520. Its totient is φ = 9854208.

The previous prime is 23101889. The next prime is 23101921. The reversal of 23101904 is 40910132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34727 + ... + 35385.

It is an arithmetic number, because the mean of its divisors is an integer number (1284888).

Almost surely, 2^23101904 is an apocalyptic number.

It is an amenable number.

23101904 is an abundant number, since it is smaller than the sum of its proper divisors (28293616).

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

23101904 is a wasteful number, since it uses less digits than its factorization.

23101904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 23101904 is about 4806.4440077879. Note that the first 3 decimals coincide. The cubic root of 23101904 is about 284.8060812782.

The spelling of 23101904 in words is "twenty-three million, one hundred one thousand, nine hundred four".