200143636321 has 2 divisors, whose sum is σ = 200143636322. Its totient is φ = 200143636320.

The previous prime is 200143636193. The next prime is 200143636349. The reversal of 200143636321 is 123636341002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180424455696 + 19719180625 = 424764^2 + 140425^2 .

It is a cyclic number.

It is not a de Polignac number, because 200143636321 - 2⁷ = 200143636193 is a prime.

It is not a weakly prime, because it can be changed into another prime (200143636361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100071818160 + 100071818161.

It is an arithmetic number, because the mean of its divisors is an integer number (100071818161).

Almost surely, 2^200143636321 is an apocalyptic number.

It is an amenable number.

200143636321 is a deficient number, since it is larger than the sum of its proper divisors (1).

200143636321 is an equidigital number, since it uses as much as digits as its factorization.

200143636321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 200143636321 its reverse (123636341002), we get a palindrome (323779977323).

The spelling of 200143636321 in words is "two hundred billion, one hundred forty-three million, six hundred thirty-six thousand, three hundred twenty-one".