13312002123 has 48 divisors (see below), whose sum is σ = 23306889216. Its totient is φ = 7156797120.

The previous prime is 13312002083. The next prime is 13312002127. The reversal of 13312002123 is 32120021331.

It is not a de Polignac number, because 13312002123 - 2⁶ = 13312002059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13312002096 and 13312002105.

It is not an unprimeable number, because it can be changed into a prime (13312002127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13086 + ... + 163692.

It is an arithmetic number, because the mean of its divisors is an integer number (485560192).

Almost surely, 2^13312002123 is an apocalyptic number.

13312002123 is a deficient number, since it is larger than the sum of its proper divisors (9994887093).

13312002123 is a wasteful number, since it uses less digits than its factorization.

13312002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150704 (or 150701 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13312002123 its reverse (32120021331), we get a palindrome (45432023454).

The spelling of 13312002123 in words is "thirteen billion, three hundred twelve million, two thousand, one hundred twenty-three".