230430171997 has 2 divisors, whose sum is σ = 230430171998. Its totient is φ = 230430171996.

The previous prime is 230430171941. The next prime is 230430172061. The reversal of 230430171997 is 799171034032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227547126361 + 2883045636 = 477019^2 + 53694^2 .

It is a cyclic number.

It is not a de Polignac number, because 230430171997 - 2¹⁵ = 230430139229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230430178997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115215085998 + 115215085999.

It is an arithmetic number, because the mean of its divisors is an integer number (115215085999).

Almost surely, 2^230430171997 is an apocalyptic number.

It is an amenable number.

230430171997 is a deficient number, since it is larger than the sum of its proper divisors (1).

230430171997 is an equidigital number, since it uses as much as digits as its factorization.

230430171997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 230430171997 in words is "two hundred thirty billion, four hundred thirty million, one hundred seventy-one thousand, nine hundred ninety-seven".