230670217 has 4 divisors (see below), whose sum is σ = 230702976. Its totient is φ = 230637460.

The previous prime is 230670211. The next prime is 230670221. The reversal of 230670217 is 712076032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230670217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230670211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009 + ... + 21502.

It is an arithmetic number, because the mean of its divisors is an integer number (57675744).

Almost surely, 2^230670217 is an apocalyptic number.

It is an amenable number.

230670217 is a deficient number, since it is larger than the sum of its proper divisors (32759).

230670217 is a wasteful number, since it uses less digits than its factorization.

230670217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32758.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 230670217 is about 15187.8312144954. The cubic root of 230670217 is about 613.2871164437.

The spelling of 230670217 in words is "two hundred thirty million, six hundred seventy thousand, two hundred seventeen".