200423596499281 has 2 divisors, whose sum is σ = 200423596499282. Its totient is φ = 200423596499280.

The previous prime is 200423596499249. The next prime is 200423596499309. The reversal of 200423596499281 is 182994695324002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166847829807681 + 33575766691600 = 12916959^2 + 5794460^2 .

It is a cyclic number.

It is not a de Polignac number, because 200423596499281 - 2⁵ = 200423596499249 is a prime.

It is a super-2 number, since 2×200423596499281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200423596499081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100211798249640 + 100211798249641.

It is an arithmetic number, because the mean of its divisors is an integer number (100211798249641).

Almost surely, 2^{200423596499281} is an apocalyptic number.

It is an amenable number.

200423596499281 is a deficient number, since it is larger than the sum of its proper divisors (1).

200423596499281 is an equidigital number, since it uses as much as digits as its factorization.

200423596499281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67184640, while the sum is 64.

The spelling of 200423596499281 in words is "two hundred trillion, four hundred twenty-three billion, five hundred ninety-six million, four hundred ninety-nine thousand, two hundred eighty-one".