323020138169 has 2 divisors, whose sum is σ = 323020138170. Its totient is φ = 323020138168.

The previous prime is 323020138061. The next prime is 323020138187. The reversal of 323020138169 is 961831020323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230596842025 + 92423296144 = 480205^2 + 304012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323020138169 is a prime.

It is a super-2 number, since 2×323020138169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323020138769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161510069084 + 161510069085.

It is an arithmetic number, because the mean of its divisors is an integer number (161510069085).

Almost surely, 2^323020138169 is an apocalyptic number.

It is an amenable number.

323020138169 is a deficient number, since it is larger than the sum of its proper divisors (1).

323020138169 is an equidigital number, since it uses as much as digits as its factorization.

323020138169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 323020138169 in words is "three hundred twenty-three billion, twenty million, one hundred thirty-eight thousand, one hundred sixty-nine".