23868564 has 24 divisors (see below), whose sum is σ = 55808928. Its totient is φ = 7939680.

The previous prime is 23868563. The next prime is 23868571. The reversal of 23868564 is 46586832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23868563) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4899 + ... + 8469.

It is an arithmetic number, because the mean of its divisors is an integer number (2325372).

Almost surely, 2^23868564 is an apocalyptic number.

It is an amenable number.

23868564 is an abundant number, since it is smaller than the sum of its proper divisors (31940364).

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

23868564 is a wasteful number, since it uses less digits than its factorization.

23868564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135 (or 4133 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 23868564 is about 4885.5464382196. The cubic root of 23868564 is about 287.9223845631.

The spelling of 23868564 in words is "twenty-three million, eight hundred sixty-eight thousand, five hundred sixty-four".