123100131212323 has 4 divisors (see below), whose sum is σ = 123101072267040. Its totient is φ = 123099190157608.

The previous prime is 123100131212297. The next prime is 123100131212351. The reversal of 123100131212323 is 323212131001321.

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 123100131212323 - 2⁵ = 123100131212291 is a prime.

It is a super-2 number, since 2×123100131212323² (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 (123100131212353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470331115 + ... + 470592772.

It is an arithmetic number, because the mean of its divisors is an integer number (30775268066760).

Almost surely, 2^{123100131212323} is an apocalyptic number.

123100131212323 is a deficient number, since it is larger than the sum of its proper divisors (941054717).

123100131212323 is an equidigital number, since it uses as much as digits as its factorization.

123100131212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941054716.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 123100131212323 its reverse (323212131001321), we get a palindrome (446312262213644).

The spelling of 123100131212323 in words is "one hundred twenty-three trillion, one hundred billion, one hundred thirty-one million, two hundred twelve thousand, three hundred twenty-three".