231266023 has 2 divisors, whose sum is σ = 231266024. Its totient is φ = 231266022.

The previous prime is 231265973. The next prime is 231266033. The reversal of 231266023 is 320662132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231266023 - 2²¹ = 229168871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231266033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115633011 + 115633012.

It is an arithmetic number, because the mean of its divisors is an integer number (115633012).

Almost surely, 2^231266023 is an apocalyptic number.

231266023 is a deficient number, since it is larger than the sum of its proper divisors (1).

231266023 is an equidigital number, since it uses as much as digits as its factorization.

231266023 is an odious number, because the sum of its binary digits is odd.

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

The square root of 231266023 is about 15207.4331496147. The cubic root of 231266023 is about 613.8146892380.

The spelling of 231266023 in words is "two hundred thirty-one million, two hundred sixty-six thousand, twenty-three".