231351023 has 2 divisors, whose sum is σ = 231351024. Its totient is φ = 231351022.

The previous prime is 231351017. The next prime is 231351031. The reversal of 231351023 is 320153132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231351023 - 2⁴ = 231351007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231350986 and 231351004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231381023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115675511 + 115675512.

It is an arithmetic number, because the mean of its divisors is an integer number (115675512).

Almost surely, 2^231351023 is an apocalyptic number.

231351023 is a deficient number, since it is larger than the sum of its proper divisors (1).

231351023 is an equidigital number, since it uses as much as digits as its factorization.

231351023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 231351023 is about 15210.2275788366. The cubic root of 231351023 is about 613.8898809403.

The spelling of 231351023 in words is "two hundred thirty-one million, three hundred fifty-one thousand, twenty-three".