23984564 has 12 divisors (see below), whose sum is σ = 42109284. Its totient is φ = 11953344.

The previous prime is 23984557. The next prime is 23984629. The reversal of 23984564 is 46548932.

It can be written as a sum of positive squares in 2 ways, for example, as 384400 + 23600164 = 620^2 + 4858^2 .

It is a congruent number.

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, 8327 + ... + 10830.

It is an arithmetic number, because the mean of its divisors is an integer number (3509107).

Almost surely, 2^23984564 is an apocalyptic number.

It is an amenable number.

23984564 is a deficient number, since it is larger than the sum of its proper divisors (18124720).

23984564 is a wasteful number, since it uses less digits than its factorization.

23984564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19474 (or 19472 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 23984564 is about 4897.4038020159. The cubic root of 23984564 is about 288.3880603423.

The spelling of 23984564 in words is "twenty-three million, nine hundred eighty-four thousand, five hundred sixty-four".