323202320200121 has 2 divisors, whose sum is σ = 323202320200122. Its totient is φ = 323202320200120.

The previous prime is 323202320200099. The next prime is 323202320200141. The reversal of 323202320200121 is 121002023202323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296608857296896 + 26593462903225 = 17222336^2 + 5156885^2 .

It is an emirp because it is prime and its reverse (121002023202323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323202320200121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (323202320200141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161601160100060 + 161601160100061.

It is an arithmetic number, because the mean of its divisors is an integer number (161601160100061).

Almost surely, 2^{323202320200121} is an apocalyptic number.

It is an amenable number.

323202320200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

323202320200121 is an equidigital number, since it uses as much as digits as its factorization.

323202320200121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 323202320200121 its reverse (121002023202323), we get a palindrome (444204343402444).

The spelling of 323202320200121 in words is "three hundred twenty-three trillion, two hundred two billion, three hundred twenty million, two hundred thousand, one hundred twenty-one".