13118806123 has 4 divisors (see below), whose sum is σ = 13284867040. Its totient is φ = 12952745208.

The previous prime is 13118806117. The next prime is 13118806187. The reversal of 13118806123 is 32160881131.

It is a happy number.

13118806123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13118806123 - 2⁵ = 13118806091 is a prime.

It is a super-2 number, since 2×13118806123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13118803123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83030340 + ... + 83030497.

It is an arithmetic number, because the mean of its divisors is an integer number (3321216760).

Almost surely, 2^13118806123 is an apocalyptic number.

13118806123 is a deficient number, since it is larger than the sum of its proper divisors (166060917).

13118806123 is an equidigital number, since it uses as much as digits as its factorization.

13118806123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166060916.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 13118806123 in words is "thirteen billion, one hundred eighteen million, eight hundred six thousand, one hundred twenty-three".