200123330171 has 2 divisors, whose sum is σ = 200123330172. Its totient is φ = 200123330170.

The previous prime is 200123330137. The next prime is 200123330177. The reversal of 200123330171 is 171033321002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200123330171 - 2¹⁸ = 200123068027 is a prime.

It is not a weakly prime, because it can be changed into another prime (200123330177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061665085 + 100061665086.

It is an arithmetic number, because the mean of its divisors is an integer number (100061665086).

Almost surely, 2^200123330171 is an apocalyptic number.

200123330171 is a deficient number, since it is larger than the sum of its proper divisors (1).

200123330171 is an equidigital number, since it uses as much as digits as its factorization.

200123330171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 200123330171 its reverse (171033321002), we get a palindrome (371156651173).

The spelling of 200123330171 in words is "two hundred billion, one hundred twenty-three million, three hundred thirty thousand, one hundred seventy-one".