23031300123 has 24 divisors (see below), whose sum is σ = 35831713008. Its totient is φ = 14171032512.

The previous prime is 23031299989. The next prime is 23031300143. The reversal of 23031300123 is 32100313032.

23031300123 is a `hidden beast` number, since 230 + 313 + 0 + 0 + 123 = 666.

It is not a de Polignac number, because 23031300123 - 2²² = 23027105819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23031300096 and 23031300105.

It is not an unprimeable number, because it can be changed into a prime (23031300143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1291836 + ... + 1309542.

It is an arithmetic number, because the mean of its divisors is an integer number (1492988042).

Almost surely, 2^23031300123 is an apocalyptic number.

23031300123 is a deficient number, since it is larger than the sum of its proper divisors (12800412885).

23031300123 is a wasteful number, since it uses less digits than its factorization.

23031300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28843 (or 28840 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23031300123 its reverse (32100313032), we get a palindrome (55131613155).

The spelling of 23031300123 in words is "twenty-three billion, thirty-one million, three hundred thousand, one hundred twenty-three".