123130323131113 has 4 divisors (see below), whose sum is σ = 123130426571860. Its totient is φ = 123130219690368.

The previous prime is 123130323131089. The next prime is 123130323131117. The reversal of 123130323131113 is 311131323031321.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7539269367529 + 115591053763584 = 2745773^2 + 10751328^2 .

It is a cyclic number.

It is not a de Polignac number, because 123130323131113 - 2³⁷ = 122992884177641 is a prime.

It is a super-2 number, since 2×123130323131113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123130323131117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49913820 + ... + 52322557.

It is an arithmetic number, because the mean of its divisors is an integer number (30782606642965).

Almost surely, 2^{123130323131113} is an apocalyptic number.

It is an amenable number.

123130323131113 is a deficient number, since it is larger than the sum of its proper divisors (103440747).

123130323131113 is a wasteful number, since it uses less digits than its factorization.

123130323131113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103440746.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 123130323131113 its reverse (311131323031321), we get a palindrome (434261646162434).

The spelling of 123130323131113 in words is "one hundred twenty-three trillion, one hundred thirty billion, three hundred twenty-three million, one hundred thirty-one thousand, one hundred thirteen".