323202230230021 has 2 divisors, whose sum is σ = 323202230230022. Its totient is φ = 323202230230020.

The previous prime is 323202230229953. The next prime is 323202230230031. The reversal of 323202230230021 is 120032032202323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323199890573121 + 2339656900 = 17977761^2 + 48370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323202230230021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323202230230031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161601115115010 + 161601115115011.

It is an arithmetic number, because the mean of its divisors is an integer number (161601115115011).

Almost surely, 2^{323202230230021} is an apocalyptic number.

It is an amenable number.

323202230230021 is a deficient number, since it is larger than the sum of its proper divisors (1).

323202230230021 is an equidigital number, since it uses as much as digits as its factorization.

323202230230021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 323202230230021 its reverse (120032032202323), we get a palindrome (443234262432344).

The spelling of 323202230230021 in words is "three hundred twenty-three trillion, two hundred two billion, two hundred thirty million, two hundred thirty thousand, twenty-one".