123130112313 has 16 divisors (see below), whose sum is σ = 186107593280. Its totient is φ = 71784356544.

The previous prime is 123130112233. The next prime is 123130112341. The reversal of 123130112313 is 313211031321.

It is a happy number.

It is not a de Polignac number, because 123130112313 - 2¹⁸ = 123129850169 is a prime.

It is a super-2 number, since 2×123130112313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123130112313.

It is not an unprimeable number, because it can be changed into a prime (123130112113) 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 15 ways as a sum of consecutive naturals, for example, 83083006 + ... + 83084487.

It is an arithmetic number, because the mean of its divisors is an integer number (11631724580).

Almost surely, 2^123130112313 is an apocalyptic number.

123130112313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123130112313 is a deficient number, since it is larger than the sum of its proper divisors (62977480967).

123130112313 is a wasteful number, since it uses less digits than its factorization.

123130112313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166167528.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 123130112313 its reverse (313211031321), we get a palindrome (436341143634).

The spelling of 123130112313 in words is "one hundred twenty-three billion, one hundred thirty million, one hundred twelve thousand, three hundred thirteen".