13623115432 has 8 divisors (see below), whose sum is σ = 25543341450. Its totient is φ = 6811557712.

The previous prime is 13623115417. The next prime is 13623115537. The reversal of 13623115432 is 23451132631.

It can be written as a sum of positive squares in only one way, i.e., 7704275076 + 5918840356 = 87774^2 + 76934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13623115394 and 13623115403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851444707 + ... + 851444722.

Almost surely, 2^13623115432 is an apocalyptic number.

It is an amenable number.

13623115432 is a deficient number, since it is larger than the sum of its proper divisors (11920226018).

13623115432 is a wasteful number, since it uses less digits than its factorization.

13623115432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702889435 (or 1702889431 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The spelling of 13623115432 in words is "thirteen billion, six hundred twenty-three million, one hundred fifteen thousand, four hundred thirty-two".