323325155513 has 2 divisors, whose sum is σ = 323325155514. Its totient is φ = 323325155512.

The previous prime is 323325155471. The next prime is 323325155521. The reversal of 323325155513 is 315551523323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186137884969 + 137187270544 = 431437^2 + 370388^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323325155513 is a prime.

It is not a weakly prime, because it can be changed into another prime (323325154513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161662577756 + 161662577757.

It is an arithmetic number, because the mean of its divisors is an integer number (161662577757).

Almost surely, 2^323325155513 is an apocalyptic number.

It is an amenable number.

323325155513 is a deficient number, since it is larger than the sum of its proper divisors (1).

323325155513 is an equidigital number, since it uses as much as digits as its factorization.

323325155513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 202500, while the sum is 38.

Adding to 323325155513 its reverse (315551523323), we get a palindrome (638876678836).

The spelling of 323325155513 in words is "three hundred twenty-three billion, three hundred twenty-five million, one hundred fifty-five thousand, five hundred thirteen".