231455345659 has 2 divisors, whose sum is σ = 231455345660. Its totient is φ = 231455345658.

The previous prime is 231455345633. The next prime is 231455345683. The reversal of 231455345659 is 956543554132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231455345659 - 2¹⁹ = 231454821371 is a prime.

It is not a weakly prime, because it can be changed into another prime (231455345609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115727672829 + 115727672830.

It is an arithmetic number, because the mean of its divisors is an integer number (115727672830).

Almost surely, 2^231455345659 is an apocalyptic number.

231455345659 is a deficient number, since it is larger than the sum of its proper divisors (1).

231455345659 is an equidigital number, since it uses as much as digits as its factorization.

231455345659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720000, while the sum is 52.

The spelling of 231455345659 in words is "two hundred thirty-one billion, four hundred fifty-five million, three hundred forty-five thousand, six hundred fifty-nine".