231310120023 has 12 divisors (see below), whose sum is σ = 335698102168. Its totient is φ = 153475907760.

The previous prime is 231310119991. The next prime is 231310120091. The reversal of 231310120023 is 320021013132.

231310120023 is a `hidden beast` number, since 231 + 310 + 120 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 231310120023 - 2⁵ = 231310119991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231310119978 and 231310120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231310120123) 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, 60901240 + ... + 60905037.

Almost surely, 2^231310120023 is an apocalyptic number.

231310120023 is a deficient number, since it is larger than the sum of its proper divisors (104387982145).

231310120023 is a wasteful number, since it uses less digits than its factorization.

231310120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121806494 (or 121806491 counting only the distinct ones).

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

Adding to 231310120023 its reverse (320021013132), we get a palindrome (551331133155).

The spelling of 231310120023 in words is "two hundred thirty-one billion, three hundred ten million, one hundred twenty thousand, twenty-three".