230966917 has 2 divisors, whose sum is σ = 230966918. Its totient is φ = 230966916.

The previous prime is 230966873. The next prime is 230966959. The reversal of 230966917 is 719669032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187525636 + 43441281 = 13694^2 + 6591^2 .

It is a cyclic number.

It is not a de Polignac number, because 230966917 - 2¹⁵ = 230934149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230906917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115483458 + 115483459.

It is an arithmetic number, because the mean of its divisors is an integer number (115483459).

Almost surely, 2^230966917 is an apocalyptic number.

It is an amenable number.

230966917 is a deficient number, since it is larger than the sum of its proper divisors (1).

230966917 is an equidigital number, since it uses as much as digits as its factorization.

230966917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 230966917 is about 15197.5957638042. The cubic root of 230966917 is about 613.5499510207.

The spelling of 230966917 in words is "two hundred thirty million, nine hundred sixty-six thousand, nine hundred seventeen".