323440334369 has 2 divisors, whose sum is σ = 323440334370. Its totient is φ = 323440334368.

The previous prime is 323440334297. The next prime is 323440334377. The reversal of 323440334369 is 963433044323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180571453969 + 142868880400 = 424937^2 + 377980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323440334369 is a prime.

It is a super-2 number, since 2×323440334369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323440334669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161720167184 + 161720167185.

It is an arithmetic number, because the mean of its divisors is an integer number (161720167185).

Almost surely, 2^323440334369 is an apocalyptic number.

It is an amenable number.

323440334369 is a deficient number, since it is larger than the sum of its proper divisors (1).

323440334369 is an equidigital number, since it uses as much as digits as its factorization.

323440334369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 44.

The spelling of 323440334369 in words is "three hundred twenty-three billion, four hundred forty million, three hundred thirty-four thousand, three hundred sixty-nine".