23663868 has 48 divisors (see below), whose sum is σ = 57200640. Its totient is φ = 7608384.

The previous prime is 23663839. The next prime is 23663879. The reversal of 23663868 is 86836632.

It is a congruent number.

It is an unprimeable number.

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, 98893 + ... + 99131.

It is an arithmetic number, because the mean of its divisors is an integer number (1191680).

Almost surely, 2^23663868 is an apocalyptic number.

It is an amenable number.

23663868 is an abundant number, since it is smaller than the sum of its proper divisors (33536772).

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

23663868 is a wasteful number, since it uses less digits than its factorization.

23663868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 504 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 23663868 is about 4864.5521890509. The cubic root of 23663868 is about 287.0969495254.

It can be divided in two parts, 23663 and 868, that added together give a triangular number (24531 = T₂₂₁).

The spelling of 23663868 in words is "twenty-three million, six hundred sixty-three thousand, eight hundred sixty-eight".