23123020113 has 6 divisors (see below), whose sum is σ = 33399917954. Its totient is φ = 15415346736.

The previous prime is 23123020099. The next prime is 23123020127. The reversal of 23123020113 is 31102032132.

23123020113 is a `hidden beast` number, since 231 + 230 + 201 + 1 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (23123020099) and next prime (23123020127).

It can be written as a sum of positive squares in only one way, i.e., 12313675089 + 10809345024 = 110967^2 + 103968^2 .

It is not a de Polignac number, because 23123020113 - 2¹⁰ = 23123019089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23123020163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1284612220 + ... + 1284612237.

Almost surely, 2^23123020113 is an apocalyptic number.

It is an amenable number.

23123020113 is a deficient number, since it is larger than the sum of its proper divisors (10276897841).

23123020113 is a wasteful number, since it uses less digits than its factorization.

23123020113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569224463 (or 2569224460 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23123020113 its reverse (31102032132), we get a palindrome (54225052245).

The spelling of 23123020113 in words is "twenty-three billion, one hundred twenty-three million, twenty thousand, one hundred thirteen".