23604657872 has 10 divisors (see below), whose sum is σ = 45734024658. Its totient is φ = 11802328928.

The previous prime is 23604657871. The next prime is 23604657893. The reversal of 23604657872 is 27875640632.

It can be written as a sum of positive squares in only one way, i.e., 12477783616 + 11126874256 = 111704^2 + 105484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23604657872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23604657871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737645543 + ... + 737645574.

Almost surely, 2^23604657872 is an apocalyptic number.

It is an amenable number.

23604657872 is a deficient number, since it is larger than the sum of its proper divisors (22129366786).

23604657872 is a wasteful number, since it uses less digits than its factorization.

23604657872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475291125 (or 1475291119 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 23604657872 in words is "twenty-three billion, six hundred four million, six hundred fifty-seven thousand, eight hundred seventy-two".