23564004 has 12 divisors (see below), whose sum is σ = 54982704. Its totient is φ = 7854664.

The previous prime is 23563927. The next prime is 23564017. The reversal of 23564004 is 40046532.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981822 + ... + 981845.

It is an arithmetic number, because the mean of its divisors is an integer number (4581892).

Almost surely, 2^23564004 is an apocalyptic number.

It is an amenable number.

23564004 is an abundant number, since it is smaller than the sum of its proper divisors (31418700).

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

23564004 is a wasteful number, since it uses less digits than its factorization.

23564004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963674 (or 1963672 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 23564004 is about 4854.2768771466. The cubic root of 23564004 is about 286.6925203532.

The spelling of 23564004 in words is "twenty-three million, five hundred sixty-four thousand, four".