200220123230317 has 2 divisors, whose sum is σ = 200220123230318. Its totient is φ = 200220123230316.

The previous prime is 200220123230291. The next prime is 200220123230329. The reversal of 200220123230317 is 713032321022002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104629044999556 + 95591078230761 = 10228834^2 + 9777069^2 .

It is a cyclic number.

It is not a de Polignac number, because 200220123230317 - 2²³ = 200220114841709 is a prime.

It is a super-3 number, since 3×200220123230317³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200220123230117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110061615158 + 100110061615159.

It is an arithmetic number, because the mean of its divisors is an integer number (100110061615159).

Almost surely, 2^{200220123230317} is an apocalyptic number.

It is an amenable number.

200220123230317 is a deficient number, since it is larger than the sum of its proper divisors (1).

200220123230317 is an equidigital number, since it uses as much as digits as its factorization.

200220123230317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 200220123230317 its reverse (713032321022002), we get a palindrome (913252444252319).

The spelling of 200220123230317 in words is "two hundred trillion, two hundred twenty billion, one hundred twenty-three million, two hundred thirty thousand, three hundred seventeen".