323045321 has 2 divisors, whose sum is σ = 323045322. Its totient is φ = 323045320.

The previous prime is 323045311. The next prime is 323045351. The reversal of 323045321 is 123540323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186622921 + 136422400 = 13661^2 + 11680^2 .

It is a cyclic number.

It is not a de Polignac number, because 323045321 - 2²² = 318851017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (323045311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161522660 + 161522661.

It is an arithmetic number, because the mean of its divisors is an integer number (161522661).

Almost surely, 2^323045321 is an apocalyptic number.

It is an amenable number.

323045321 is a deficient number, since it is larger than the sum of its proper divisors (1).

323045321 is an equidigital number, since it uses as much as digits as its factorization.

323045321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 323045321 is about 17973.4615753338. The cubic root of 323045321 is about 686.1532925880.

Adding to 323045321 its reverse (123540323), we get a palindrome (446585644).

The spelling of 323045321 in words is "three hundred twenty-three million, forty-five thousand, three hundred twenty-one".