113031000123 has 16 divisors (see below), whose sum is σ = 151356802176. Its totient is φ = 75029841920.

The previous prime is 113031000119. The next prime is 113031000139. The reversal of 113031000123 is 321000130311.

It is a cyclic number.

It is not a de Polignac number, because 113031000123 - 2² = 113031000119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113031000163) 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, 1922440 + ... + 1980362.

It is an arithmetic number, because the mean of its divisors is an integer number (9459800136).

Almost surely, 2^113031000123 is an apocalyptic number.

113031000123 is a deficient number, since it is larger than the sum of its proper divisors (38325802053).

113031000123 is a wasteful number, since it uses less digits than its factorization.

113031000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60714.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 113031000123 its reverse (321000130311), we get a palindrome (434031130434).

The spelling of 113031000123 in words is "one hundred thirteen billion, thirty-one million, one hundred twenty-three", and thus it is an aban number.