230666617 has 4 divisors (see below), whose sum is σ = 230716260. Its totient is φ = 230616976.

The previous prime is 230666573. The next prime is 230666651. The reversal of 230666617 is 716666032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111070521 + 119596096 = 10539^2 + 10936^2 .

It is a cyclic number.

It is not a de Polignac number, because 230666617 - 2¹¹ = 230664569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230666687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17038 + ... + 27415.

It is an arithmetic number, because the mean of its divisors is an integer number (57679065).

Almost surely, 2^230666617 is an apocalyptic number.

It is an amenable number.

230666617 is a deficient number, since it is larger than the sum of its proper divisors (49643).

230666617 is an equidigital number, since it uses as much as digits as its factorization.

230666617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49642.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 230666617 is about 15187.7126980991. The cubic root of 230666617 is about 613.2839259652.

The spelling of 230666617 in words is "two hundred thirty million, six hundred sixty-six thousand, six hundred seventeen".