13231223959 has 2 divisors, whose sum is σ = 13231223960. Its totient is φ = 13231223958.

The previous prime is 13231223911. The next prime is 13231224011. The reversal of 13231223959 is 95932213231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13231223959 - 2¹⁵ = 13231191191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231223909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615611979 + 6615611980.

It is an arithmetic number, because the mean of its divisors is an integer number (6615611980).

Almost surely, 2^13231223959 is an apocalyptic number.

13231223959 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231223959 is an equidigital number, since it uses as much as digits as its factorization.

13231223959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 40.

The spelling of 13231223959 in words is "thirteen billion, two hundred thirty-one million, two hundred twenty-three thousand, nine hundred fifty-nine".