323144489 has 2 divisors, whose sum is σ = 323144490. Its totient is φ = 323144488.

The previous prime is 323144453. The next prime is 323144509. The reversal of 323144489 is 984441323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211208089 + 111936400 = 14533^2 + 10580^2 .

It is a cyclic number.

It is not a de Polignac number, because 323144489 - 2²⁰ = 322095913 is a prime.

It is a super-2 number, since 2×323144489² = 208844721542142242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (323144429) 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, 161572244 + 161572245.

It is an arithmetic number, because the mean of its divisors is an integer number (161572245).

Almost surely, 2^323144489 is an apocalyptic number.

It is an amenable number.

323144489 is a deficient number, since it is larger than the sum of its proper divisors (1).

323144489 is an equidigital number, since it uses as much as digits as its factorization.

323144489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The square root of 323144489 is about 17976.2200976735. The cubic root of 323144489 is about 686.2234968635.

The spelling of 323144489 in words is "three hundred twenty-three million, one hundred forty-four thousand, four hundred eighty-nine".