230243021171 has 2 divisors, whose sum is σ = 230243021172. Its totient is φ = 230243021170.

The previous prime is 230243021147. The next prime is 230243021179. The reversal of 230243021171 is 171120342032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230243021171 is a prime.

It is a super-2 number, since 2×230243021171² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230243021171.

It is not a weakly prime, because it can be changed into another prime (230243021179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115121510585 + 115121510586.

It is an arithmetic number, because the mean of its divisors is an integer number (115121510586).

Almost surely, 2^230243021171 is an apocalyptic number.

230243021171 is a deficient number, since it is larger than the sum of its proper divisors (1).

230243021171 is an equidigital number, since it uses as much as digits as its factorization.

230243021171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 230243021171 in words is "two hundred thirty billion, two hundred forty-three million, twenty-one thousand, one hundred seventy-one".