13213110123 has 32 divisors (see below), whose sum is σ = 20330956800. Its totient is φ = 8470980000.

The previous prime is 13213110077. The next prime is 13213110149. The reversal of 13213110123 is 32101131231.

It is not a de Polignac number, because 13213110123 - 2¹⁶ = 13213044587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13213110096 and 13213110105.

It is not an unprimeable number, because it can be changed into a prime (13213110023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162918 + ... + 230148.

It is an arithmetic number, because the mean of its divisors is an integer number (635342400).

Almost surely, 2^13213110123 is an apocalyptic number.

13213110123 is a deficient number, since it is larger than the sum of its proper divisors (7117846677).

13213110123 is a wasteful number, since it uses less digits than its factorization.

13213110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67520 (or 67514 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13213110123 its reverse (32101131231), we get a palindrome (45314241354).

The spelling of 13213110123 in words is "thirteen billion, two hundred thirteen million, one hundred ten thousand, one hundred twenty-three".