202343412217 has 2 divisors, whose sum is σ = 202343412218. Its totient is φ = 202343412216.

The previous prime is 202343412179. The next prime is 202343412253. The reversal of 202343412217 is 712214343202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141247437241 + 61095974976 = 375829^2 + 247176^2 .

It is a cyclic number.

It is not a de Polignac number, because 202343412217 - 2¹¹ = 202343410169 is a prime.

It is a super-4 number, since 4×202343412217⁴ (a number of 46 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (202343412287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101171706108 + 101171706109.

It is an arithmetic number, because the mean of its divisors is an integer number (101171706109).

Almost surely, 2^202343412217 is an apocalyptic number.

It is an amenable number.

202343412217 is a deficient number, since it is larger than the sum of its proper divisors (1).

202343412217 is an equidigital number, since it uses as much as digits as its factorization.

202343412217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 202343412217 its reverse (712214343202), we get a palindrome (914557755419).

The spelling of 202343412217 in words is "two hundred two billion, three hundred forty-three million, four hundred twelve thousand, two hundred seventeen".