230565731 has 8 divisors (see below), whose sum is σ = 262462464. Its totient is φ = 200491720.

The previous prime is 230565719. The next prime is 230565737. The reversal of 230565731 is 137565032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230565731 - 2¹⁰ = 230564707 is a prime.

It is a super-2 number, since 2×230565731² = 106321112623128722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230565737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455411 + ... + 455916.

It is an arithmetic number, because the mean of its divisors is an integer number (32807808).

Almost surely, 2^230565731 is an apocalyptic number.

230565731 is a deficient number, since it is larger than the sum of its proper divisors (31896733).

230565731 is a wasteful number, since it uses less digits than its factorization.

230565731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911361.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 230565731 is about 15184.3910315824. The cubic root of 230565731 is about 613.1945028469.

The spelling of 230565731 in words is "two hundred thirty million, five hundred sixty-five thousand, seven hundred thirty-one".