23915136 has 192 divisors, whose sum is σ = 78140160. Its totient is φ = 6451200.

The previous prime is 23915123. The next prime is 23915149. The reversal of 23915136 is 63151932.

It is an interprime number because it is at equal distance from previous prime (23915123) and next prime (23915149).

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 583276 + ... + 583316.

It is an arithmetic number, because the mean of its divisors is an integer number (406980).

Almost surely, 2^23915136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23915136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39070080).

23915136 is an abundant number, since it is smaller than the sum of its proper divisors (54225024).

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

23915136 is a wasteful number, since it uses less digits than its factorization.

23915136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 84 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 23915136 is about 4890.3104195951. The cubic root of 23915136 is about 288.1095262432.

The spelling of 23915136 in words is "twenty-three million, nine hundred fifteen thousand, one hundred thirty-six".