13111110330123 has 64 divisors (see below), whose sum is σ = 19633381447680. Its totient is φ = 7729729233408.

The previous prime is 13111110330119. The next prime is 13111110330163. The reversal of 13111110330123 is 32103301111131.

It is not a de Polignac number, because 13111110330123 - 2² = 13111110330119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13111110330123.

It is not an unprimeable number, because it can be changed into a prime (13111110330163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 323239918 + ... + 323280476.

It is an arithmetic number, because the mean of its divisors is an integer number (306771585120).

Almost surely, 2^{13111110330123} is an apocalyptic number.

13111110330123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13111110330123 is a deficient number, since it is larger than the sum of its proper divisors (6522271117557).

13111110330123 is a wasteful number, since it uses less digits than its factorization.

13111110330123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44308.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 13111110330123 its reverse (32103301111131), we get a palindrome (45214411441254).

The spelling of 13111110330123 in words is "thirteen trillion, one hundred eleven billion, one hundred ten million, three hundred thirty thousand, one hundred twenty-three".