231590545679 has 2 divisors, whose sum is σ = 231590545680. Its totient is φ = 231590545678.

The previous prime is 231590545663. The next prime is 231590545721. The reversal of 231590545679 is 976545095132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231590545679 - 2⁴ = 231590545663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231590545079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115795272839 + 115795272840.

It is an arithmetic number, because the mean of its divisors is an integer number (115795272840).

Almost surely, 2^231590545679 is an apocalyptic number.

231590545679 is a deficient number, since it is larger than the sum of its proper divisors (1).

231590545679 is an equidigital number, since it uses as much as digits as its factorization.

231590545679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206000, while the sum is 56.

The spelling of 231590545679 in words is "two hundred thirty-one billion, five hundred ninety million, five hundred forty-five thousand, six hundred seventy-nine".