13332123656 has 16 divisors (see below), whose sum is σ = 26468186940. Its totient is φ = 6273940480.

The previous prime is 13332123647. The next prime is 13332123667. The reversal of 13332123656 is 65632123331.

It can be written as a sum of positive squares in 2 ways, for example, as 12663901156 + 668222500 = 112534^2 + 25850^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49015025 + ... + 49015296.

Almost surely, 2^13332123656 is an apocalyptic number.

It is an amenable number.

13332123656 is a deficient number, since it is larger than the sum of its proper divisors (13136063284).

13332123656 is a wasteful number, since it uses less digits than its factorization.

13332123656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98030344 (or 98030340 counting only the distinct ones).

The product of its digits is 58320, while the sum is 35.

Adding to 13332123656 its reverse (65632123331), we get a palindrome (78964246987).

The spelling of 13332123656 in words is "thirteen billion, three hundred thirty-two million, one hundred twenty-three thousand, six hundred fifty-six".