230303513 has 4 divisors (see below), whose sum is σ = 251240208. Its totient is φ = 209366820.

The previous prime is 230303509. The next prime is 230303527. The reversal of 230303513 is 315303032.

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.

It is a cyclic number.

It is not a de Polignac number, because 230303513 - 2² = 230303509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230303113) 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, 10468331 + ... + 10468352.

It is an arithmetic number, because the mean of its divisors is an integer number (62810052).

Almost surely, 2^230303513 is an apocalyptic number.

It is an amenable number.

230303513 is a deficient number, since it is larger than the sum of its proper divisors (20936695).

230303513 is a wasteful number, since it uses less digits than its factorization.

230303513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20936694.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 230303513 is about 15175.7541163528. The cubic root of 230303513 is about 612.9619565375.

Adding to 230303513 its reverse (315303032), we get a palindrome (545606545).

The spelling of 230303513 in words is "two hundred thirty million, three hundred three thousand, five hundred thirteen".