123100023131 has 8 divisors (see below), whose sum is σ = 123186749184. Its totient is φ = 123013331560.

The previous prime is 123100023113. The next prime is 123100023157. The reversal of 123100023131 is 131320001321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123100023131 is a prime.

It is a super-2 number, since 2×123100023131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123100023181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13047986 + ... + 13057416.

It is an arithmetic number, because the mean of its divisors is an integer number (15398343648).

Almost surely, 2^123100023131 is an apocalyptic number.

123100023131 is a deficient number, since it is larger than the sum of its proper divisors (86726053).

123100023131 is an equidigital number, since it uses as much as digits as its factorization.

123100023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17241.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123100023131 its reverse (131320001321), we get a palindrome (254420024452).

The spelling of 123100023131 in words is "one hundred twenty-three billion, one hundred million, twenty-three thousand, one hundred thirty-one".