231626023 has 2 divisors, whose sum is σ = 231626024. Its totient is φ = 231626022.

The previous prime is 231625973. The next prime is 231626041. The reversal of 231626023 is 320626132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231626023 - 2¹⁷ = 231494951 is a prime.

It is a super-2 number, since 2×231626023² = 107301229061593058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231626053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115813011 + 115813012.

It is an arithmetic number, because the mean of its divisors is an integer number (115813012).

Almost surely, 2^231626023 is an apocalyptic number.

231626023 is a deficient number, since it is larger than the sum of its proper divisors (1).

231626023 is an equidigital number, since it uses as much as digits as its factorization.

231626023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 231626023 is about 15219.2648639808. The cubic root of 231626023 is about 614.1330221043.

The spelling of 231626023 in words is "two hundred thirty-one million, six hundred twenty-six thousand, twenty-three".