323203081 has 2 divisors, whose sum is σ = 323203082. Its totient is φ = 323203080.

The previous prime is 323203051. The next prime is 323203151. The reversal of 323203081 is 180302323.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172134400 + 151068681 = 13120^2 + 12291^2 .

It is a cyclic number.

It is not a de Polignac number, because 323203081 - 2⁷ = 323202953 is a prime.

It is a super-2 number, since 2×323203081² = 208920463135785122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323203051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161601540 + 161601541.

It is an arithmetic number, because the mean of its divisors is an integer number (161601541).

Almost surely, 2^323203081 is an apocalyptic number.

It is an amenable number.

323203081 is a deficient number, since it is larger than the sum of its proper divisors (1).

323203081 is an equidigital number, since it uses as much as digits as its factorization.

323203081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 323203081 is about 17977.8497323790. The cubic root of 323203081 is about 686.2649693097.

The spelling of 323203081 in words is "three hundred twenty-three million, two hundred three thousand, eighty-one".