23868664 has 32 divisors (see below), whose sum is σ = 47365920. Its totient is φ = 11252736.

The previous prime is 23868661. The next prime is 23868671. The reversal of 23868664 is 46686832.

It is a super-2 number, since 2×23868664² = 1139426242289792, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23868664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23868661) 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 7 ways as a sum of consecutive naturals, for example, 12544 + ... + 14320.

It is an arithmetic number, because the mean of its divisors is an integer number (1480185).

Almost surely, 2^23868664 is an apocalyptic number.

It is an amenable number.

23868664 is a deficient number, since it is larger than the sum of its proper divisors (23497256).

23868664 is a wasteful number, since it uses less digits than its factorization.

23868664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879 (or 1875 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 23868664 is about 4885.5566724786. The cubic root of 23868664 is about 287.9227866568.

The spelling of 23868664 in words is "twenty-three million, eight hundred sixty-eight thousand, six hundred sixty-four".