23738564 has 6 divisors (see below), whose sum is σ = 41542494. Its totient is φ = 11869280.

The previous prime is 23738563. The next prime is 23738587. The reversal of 23738564 is 46583732.

It can be written as a sum of positive squares in only one way, i.e., 21548164 + 2190400 = 4642^2 + 1480^2 .

It is not an unprimeable number, because it can be changed into a prime (23738563) 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 as a sum of consecutive naturals, namely, 2967317 + ... + 2967324.

It is an arithmetic number, because the mean of its divisors is an integer number (6923749).

Almost surely, 2^23738564 is an apocalyptic number.

It is an amenable number.

23738564 is a deficient number, since it is larger than the sum of its proper divisors (17803930).

23738564 is a wasteful number, since it uses less digits than its factorization.

23738564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934645 (or 5934643 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 23738564 is about 4872.2237222853. The cubic root of 23738564 is about 287.3987101282.

The spelling of 23738564 in words is "twenty-three million, seven hundred thirty-eight thousand, five hundred sixty-four".