200143124321237 has 2 divisors, whose sum is σ = 200143124321238. Its totient is φ = 200143124321236.

The previous prime is 200143124321227. The next prime is 200143124321317. The reversal of 200143124321237 is 732123421341002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147961947209521 + 52181177111716 = 12163961^2 + 7223654^2 .

It is a cyclic number.

It is not a de Polignac number, because 200143124321237 - 2⁴⁴ = 182550938276821 is a prime.

It is a super-2 number, since 2×200143124321237² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200143124321197 and 200143124321206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200143124321227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100071562160618 + 100071562160619.

It is an arithmetic number, because the mean of its divisors is an integer number (100071562160619).

Almost surely, 2^{200143124321237} is an apocalyptic number.

It is an amenable number.

200143124321237 is a deficient number, since it is larger than the sum of its proper divisors (1).

200143124321237 is an equidigital number, since it uses as much as digits as its factorization.

200143124321237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 200143124321237 its reverse (732123421341002), we get a palindrome (932266545662239).

The spelling of 200143124321237 in words is "two hundred trillion, one hundred forty-three billion, one hundred twenty-four million, three hundred twenty-one thousand, two hundred thirty-seven".