11532423688 has 32 divisors (see below), whose sum is σ = 23021795160. Its totient is φ = 5397027840.

The previous prime is 11532423667. The next prime is 11532423691. The reversal of 11532423688 is 88632423511.

It can be written as a sum of positive squares in 4 ways, for example, as 6740738404 + 4791685284 = 82102^2 + 69222^2 .

It is a super-2 number, since 2×11532423688² (a number of 21 digits) contains 22 as substring.

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, 209631 + ... + 258862.

Almost surely, 2^11532423688 is an apocalyptic number.

It is an amenable number.

11532423688 is a deficient number, since it is larger than the sum of its proper divisors (11489371472).

11532423688 is a wasteful number, since it uses less digits than its factorization.

11532423688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468697 (or 468693 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The spelling of 11532423688 in words is "eleven billion, five hundred thirty-two million, four hundred twenty-three thousand, six hundred eighty-eight".