323431967 has 2 divisors, whose sum is σ = 323431968. Its totient is φ = 323431966.

The previous prime is 323431961. The next prime is 323432009. The reversal of 323431967 is 769134323.

It is a weak prime.

It is an emirp because it is prime and its reverse (769134323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323431967 - 2¹⁴ = 323415583 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323431967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323431961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161715983 + 161715984.

It is an arithmetic number, because the mean of its divisors is an integer number (161715984).

Almost surely, 2^323431967 is an apocalyptic number.

323431967 is a deficient number, since it is larger than the sum of its proper divisors (1).

323431967 is an equidigital number, since it uses as much as digits as its factorization.

323431967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 38.

The square root of 323431967 is about 17984.2143837311. The cubic root of 323431967 is about 686.4269308215.

The spelling of 323431967 in words is "three hundred twenty-three million, four hundred thirty-one thousand, nine hundred sixty-seven".