231323229967 has 2 divisors, whose sum is σ = 231323229968. Its totient is φ = 231323229966.

The previous prime is 231323229899. The next prime is 231323229983. The reversal of 231323229967 is 769922323132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231323229967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231323229967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231323229167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115661614983 + 115661614984.

It is an arithmetic number, because the mean of its divisors is an integer number (115661614984).

Almost surely, 2^231323229967 is an apocalyptic number.

231323229967 is a deficient number, since it is larger than the sum of its proper divisors (1).

231323229967 is an equidigital number, since it uses as much as digits as its factorization.

231323229967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 49.

The spelling of 231323229967 in words is "two hundred thirty-one billion, three hundred twenty-three million, two hundred twenty-nine thousand, nine hundred sixty-seven".