200243203417 has 2 divisors, whose sum is σ = 200243203418. Its totient is φ = 200243203416.

The previous prime is 200243203393. The next prime is 200243203423. The reversal of 200243203417 is 714302342002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113342648896 + 86900554521 = 336664^2 + 294789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200243203417 is a prime.

It is not a weakly prime, because it can be changed into another prime (200243203117) 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, 100121601708 + 100121601709.

It is an arithmetic number, because the mean of its divisors is an integer number (100121601709).

Almost surely, 2^200243203417 is an apocalyptic number.

It is an amenable number.

200243203417 is a deficient number, since it is larger than the sum of its proper divisors (1).

200243203417 is an equidigital number, since it uses as much as digits as its factorization.

200243203417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 200243203417 its reverse (714302342002), we get a palindrome (914545545419).

The spelling of 200243203417 in words is "two hundred billion, two hundred forty-three million, two hundred three thousand, four hundred seventeen".