23901864 has 64 divisors (see below), whose sum is σ = 72316800. Its totient is φ = 6426624.

The previous prime is 23901863. The next prime is 23901877. The reversal of 23901864 is 46810932.

It is not an unprimeable number, because it can be changed into a prime (23901863) 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 15 ways as a sum of consecutive naturals, for example, 1329 + ... + 7040.

It is an arithmetic number, because the mean of its divisors is an integer number (1129950).

Almost surely, 2^23901864 is an apocalyptic number.

23901864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23901864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36158400).

23901864 is an abundant number, since it is smaller than the sum of its proper divisors (48414936).

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

23901864 is a wasteful number, since it uses less digits than its factorization.

23901864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402 (or 8398 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 23901864 is about 4888.9532622025. The cubic root of 23901864 is about 288.0562197347.

The spelling of 23901864 in words is "twenty-three million, nine hundred one thousand, eight hundred sixty-four".