23101311123 has 12 divisors (see below), whose sum is σ = 36402066168. Its totient is φ = 14000794560.

The previous prime is 23101311097. The next prime is 23101311151. The reversal of 23101311123 is 32111310132.

23101311123 is a `hidden beast` number, since 231 + 0 + 1 + 311 + 123 = 666.

It is not a de Polignac number, because 23101311123 - 2²⁰ = 23100262547 is a prime.

It is a super-2 number, since 2×23101311123² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23101311096 and 23101311105.

It is not an unprimeable number, because it can be changed into a prime (23101311223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116673190 + ... + 116673387.

It is an arithmetic number, because the mean of its divisors is an integer number (3033505514).

Almost surely, 2^23101311123 is an apocalyptic number.

23101311123 is a deficient number, since it is larger than the sum of its proper divisors (13300755045).

23101311123 is a wasteful number, since it uses less digits than its factorization.

23101311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233346594 (or 233346591 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 23101311123 its reverse (32111310132), we get a palindrome (55212621255).

Subtracting 23101311123 from its reverse (32111310132), we obtain a palindrome (9009999009).

The spelling of 23101311123 in words is "twenty-three billion, one hundred one million, three hundred eleven thousand, one hundred twenty-three".