323453960309 has 2 divisors, whose sum is σ = 323453960310. Its totient is φ = 323453960308.

The previous prime is 323453960243. The next prime is 323453960311. The reversal of 323453960309 is 903069354323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226933140625 + 96520819684 = 476375^2 + 310678^2 .

It is a cyclic number.

It is not a de Polignac number, because 323453960309 - 2¹⁶ = 323453894773 is a prime.

It is a super-2 number, since 2×323453960309² (a number of 24 digits) contains 22 as substring.

Together with 323453960311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323453960339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161726980154 + 161726980155.

It is an arithmetic number, because the mean of its divisors is an integer number (161726980155).

Almost surely, 2^323453960309 is an apocalyptic number.

It is an amenable number.

323453960309 is a deficient number, since it is larger than the sum of its proper divisors (1).

323453960309 is an equidigital number, since it uses as much as digits as its factorization.

323453960309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1574640, while the sum is 47.

The spelling of 323453960309 in words is "three hundred twenty-three billion, four hundred fifty-three million, nine hundred sixty thousand, three hundred nine".