230947 has 4 divisors (see below), whose sum is σ = 232576. Its totient is φ = 229320.

The previous prime is 230941. The next prime is 230959. The reversal of 230947 is 749032.

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

It is a cyclic number.

It is not a de Polignac number, because 230947 - 2³ = 230939 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

230947 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230941) 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, 579 + ... + 892.

It is an arithmetic number, because the mean of its divisors is an integer number (58144).

2²³⁰⁹⁴⁷ is an apocalyptic number.

230947 is a deficient number, since it is larger than the sum of its proper divisors (1629).

230947 is a wasteful number, since it uses less digits than its factorization.

230947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 230947 is about 480.5694538774. The cubic root of 230947 is about 61.3532314403.

Adding to 230947 its reverse (749032), we get a palindrome (979979).

The spelling of 230947 in words is "two hundred thirty thousand, nine hundred forty-seven".