123110130131 has 4 divisors (see below), whose sum is σ = 123554571312. Its totient is φ = 122665688952.

The previous prime is 123110130097. The next prime is 123110130139. The reversal of 123110130131 is 131031011321.

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 123110130131 - 2¹⁴ = 123110113747 is a prime.

It is a super-2 number, since 2×123110130131² (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 (123110130139) 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, 222220175 + ... + 222220728.

It is an arithmetic number, because the mean of its divisors is an integer number (30888642828).

Almost surely, 2^123110130131 is an apocalyptic number.

123110130131 is a deficient number, since it is larger than the sum of its proper divisors (444441181).

123110130131 is an equidigital number, since it uses as much as digits as its factorization.

123110130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444441180.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 123110130131 its reverse (131031011321), we get a palindrome (254141141452).

The spelling of 123110130131 in words is "one hundred twenty-three billion, one hundred ten million, one hundred thirty thousand, one hundred thirty-one".