1172423564 has 24 divisors (see below), whose sum is σ = 2339543808. Its totient is φ = 509287680.

The previous prime is 1172423543. The next prime is 1172423591. The reversal of 1172423564 is 4653242711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662252 + ... + 664019.

It is an arithmetic number, because the mean of its divisors is an integer number (97480992).

Almost surely, 2^1172423564 is an apocalyptic number.

It is an amenable number.

1172423564 is a deficient number, since it is larger than the sum of its proper divisors (1167120244).

1172423564 is a wasteful number, since it uses less digits than its factorization.

1172423564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326305 (or 1326303 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 1172423564 is about 34240.6711966924. The cubic root of 1172423564 is about 1054.4553132703.

The spelling of 1172423564 in words is "one billion, one hundred seventy-two million, four hundred twenty-three thousand, five hundred sixty-four".