323220232311013 has 2 divisors, whose sum is σ = 323220232311014. Its totient is φ = 323220232311012.

The previous prime is 323220232310977. The next prime is 323220232311019. The reversal of 323220232311013 is 310113232022323.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204142857652449 + 119077374658564 = 14287857^2 + 10912258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323220232311013 is a prime.

It is a super-2 number, since 2×323220232311013² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323220232311019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161610116155506 + 161610116155507.

It is an arithmetic number, because the mean of its divisors is an integer number (161610116155507).

Almost surely, 2^{323220232311013} is an apocalyptic number.

It is an amenable number.

323220232311013 is a deficient number, since it is larger than the sum of its proper divisors (1).

323220232311013 is an equidigital number, since it uses as much as digits as its factorization.

323220232311013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 323220232311013 its reverse (310113232022323), we get a palindrome (633333464333336).

The spelling of 323220232311013 in words is "three hundred twenty-three trillion, two hundred twenty billion, two hundred thirty-two million, three hundred eleven thousand, thirteen".