233218713 has 32 divisors (see below), whose sum is σ = 391638016. Its totient is φ = 120149568.

The previous prime is 233218703. The next prime is 233218717. The reversal of 233218713 is 317812332.

It is not a de Polignac number, because 233218713 - 2⁶ = 233218649 is a prime.

It is the 15272-nd Hogben number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (233218717) by changing a digit.

It is a nontrivial repunit in base 15271.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1806 + ... + 21672.

It is an arithmetic number, because the mean of its divisors is an integer number (12238688).

Almost surely, 2^233218713 is an apocalyptic number.

It is an amenable number.

233218713 is a deficient number, since it is larger than the sum of its proper divisors (158419303).

233218713 is a wasteful number, since it uses less digits than its factorization.

233218713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19933.

The product of its digits is 6048, while the sum is 30.

The square root of 233218713 is about 15271.5000245555. The cubic root of 233218713 is about 615.5374269791.

The spelling of 233218713 in words is "two hundred thirty-three million, two hundred eighteen thousand, seven hundred thirteen".