123100110113 has 16 divisors (see below), whose sum is σ = 126371266560. Its totient is φ = 119856896016.

The previous prime is 123100110017. The next prime is 123100110157. The reversal of 123100110113 is 311011001321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123100110113 - 2²⁸ = 122831674657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123100110713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19355228 + ... + 19361586.

It is an arithmetic number, because the mean of its divisors is an integer number (7898204160).

Almost surely, 2^123100110113 is an apocalyptic number.

It is an amenable number.

123100110113 is a deficient number, since it is larger than the sum of its proper divisors (3271156447).

123100110113 is a wasteful number, since it uses less digits than its factorization.

123100110113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8476.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 123100110113 its reverse (311011001321), we get a palindrome (434111111434).

The spelling of 123100110113 in words is "one hundred twenty-three billion, one hundred million, one hundred ten thousand, one hundred thirteen".