323123310213073 has 2 divisors, whose sum is σ = 323123310213074. Its totient is φ = 323123310213072.

The previous prime is 323123310212977. The next prime is 323123310213097. The reversal of 323123310213073 is 370312013321323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322997528625424 + 125781587649 = 17972132^2 + 354657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323123310213073 is a prime.

It is a super-2 number, since 2×323123310213073² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323123310213973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161561655106536 + 161561655106537.

It is an arithmetic number, because the mean of its divisors is an integer number (161561655106537).

Almost surely, 2^{323123310213073} is an apocalyptic number.

It is an amenable number.

323123310213073 is a deficient number, since it is larger than the sum of its proper divisors (1).

323123310213073 is an equidigital number, since it uses as much as digits as its factorization.

323123310213073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 34.

Adding to 323123310213073 its reverse (370312013321323), we get a palindrome (693435323534396).

The spelling of 323123310213073 in words is "three hundred twenty-three trillion, one hundred twenty-three billion, three hundred ten million, two hundred thirteen thousand, seventy-three".