230120022173 has 2 divisors, whose sum is σ = 230120022174. Its totient is φ = 230120022172.

The previous prime is 230120022091. The next prime is 230120022193. The reversal of 230120022173 is 371220021032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202012493764 + 28107528409 = 449458^2 + 167653^2 .

It is a cyclic number.

It is not a de Polignac number, because 230120022173 - 2²⁰ = 230118973597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230120022193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115060011086 + 115060011087.

It is an arithmetic number, because the mean of its divisors is an integer number (115060011087).

Almost surely, 2^230120022173 is an apocalyptic number.

It is an amenable number.

230120022173 is a deficient number, since it is larger than the sum of its proper divisors (1).

230120022173 is an equidigital number, since it uses as much as digits as its factorization.

230120022173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The spelling of 230120022173 in words is "two hundred thirty billion, one hundred twenty million, twenty-two thousand, one hundred seventy-three".