202320223213 has 2 divisors, whose sum is σ = 202320223214. Its totient is φ = 202320223212.

The previous prime is 202320223177. The next prime is 202320223243. The reversal of 202320223213 is 312322023202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130282736809 + 72037486404 = 360947^2 + 268398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202320223213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202320223243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101160111606 + 101160111607.

It is an arithmetic number, because the mean of its divisors is an integer number (101160111607).

Almost surely, 2^202320223213 is an apocalyptic number.

It is an amenable number.

202320223213 is a deficient number, since it is larger than the sum of its proper divisors (1).

202320223213 is an equidigital number, since it uses as much as digits as its factorization.

202320223213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 202320223213 its reverse (312322023202), we get a palindrome (514642246415).

The spelling of 202320223213 in words is "two hundred two billion, three hundred twenty million, two hundred twenty-three thousand, two hundred thirteen".