323321320302073 has 2 divisors, whose sum is σ = 323321320302074. Its totient is φ = 323321320302072.

The previous prime is 323321320302053. The next prime is 323321320302119. The reversal of 323321320302073 is 370203023123323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211771559931129 + 111549760370944 = 14552373^2 + 10561712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323321320302073 is a prime.

It is a super-3 number, since 3×323321320302073³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (323321320302053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161660660151036 + 161660660151037.

It is an arithmetic number, because the mean of its divisors is an integer number (161660660151037).

Almost surely, 2^{323321320302073} is an apocalyptic number.

It is an amenable number.

323321320302073 is a deficient number, since it is larger than the sum of its proper divisors (1).

323321320302073 is an equidigital number, since it uses as much as digits as its factorization.

323321320302073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 34.

Adding to 323321320302073 its reverse (370203023123323), we get a palindrome (693524343425396).

The spelling of 323321320302073 in words is "three hundred twenty-three trillion, three hundred twenty-one billion, three hundred twenty million, three hundred two thousand, seventy-three".