123100131213013 has 4 divisors (see below), whose sum is σ = 124937446604320. Its totient is φ = 121262815821708.

The previous prime is 123100131212969. The next prime is 123100131213041. The reversal of 123100131213013 is 310312131001321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123100131213013 - 2¹³ = 123100131204821 is a prime.

It is a super-2 number, since 2×123100131213013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123100131283013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918657695553 + ... + 918657695686.

It is an arithmetic number, because the mean of its divisors is an integer number (31234361651080).

Almost surely, 2^{123100131213013} is an apocalyptic number.

It is an amenable number.

123100131213013 is a deficient number, since it is larger than the sum of its proper divisors (1837315391307).

123100131213013 is an equidigital number, since it uses as much as digits as its factorization.

123100131213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837315391306.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 123100131213013 its reverse (310312131001321), we get a palindrome (433412262214334).

The spelling of 123100131213013 in words is "one hundred twenty-three trillion, one hundred billion, one hundred thirty-one million, two hundred thirteen thousand, thirteen".