323389109 has 2 divisors, whose sum is σ = 323389110. Its totient is φ = 323389108.

The previous prime is 323389103. The next prime is 323389127. The reversal of 323389109 is 901983323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323208484 + 180625 = 17978^2 + 425^2 .

It is an emirp because it is prime and its reverse (901983323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323389109 - 2¹⁶ = 323323573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323389103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161694554 + 161694555.

It is an arithmetic number, because the mean of its divisors is an integer number (161694555).

Almost surely, 2^323389109 is an apocalyptic number.

It is an amenable number.

323389109 is a deficient number, since it is larger than the sum of its proper divisors (1).

323389109 is an equidigital number, since it uses as much as digits as its factorization.

323389109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 323389109 is about 17983.0227992960. The cubic root of 323389109 is about 686.3966099834.

The spelling of 323389109 in words is "three hundred twenty-three million, three hundred eighty-nine thousand, one hundred nine".