230644959 has 4 divisors (see below), whose sum is σ = 307526616. Its totient is φ = 153763304.

The previous prime is 230644957. The next prime is 230644961. The reversal of 230644959 is 959446032.

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

It is an interprime number because it is at equal distance from previous prime (230644957) and next prime (230644961).

It is a cyclic number.

It is not a de Polignac number, because 230644959 - 2¹ = 230644957 is a prime.

It is a super-2 number, since 2×230644959² = 106394194224223362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230644959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230644957) 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, 38440824 + ... + 38440829.

It is an arithmetic number, because the mean of its divisors is an integer number (76881654).

Almost surely, 2^230644959 is an apocalyptic number.

230644959 is a deficient number, since it is larger than the sum of its proper divisors (76881657).

230644959 is an equidigital number, since it uses as much as digits as its factorization.

230644959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76881656.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 230644959 is about 15186.9996707711. Note that the first 3 decimals coincide. The cubic root of 230644959 is about 613.2647309914.

The spelling of 230644959 in words is "two hundred thirty million, six hundred forty-four thousand, nine hundred fifty-nine".