233997913 has 8 divisors (see below), whose sum is σ = 239230080. Its totient is φ = 228776400.

The previous prime is 233997887. The next prime is 233997917. The reversal of 233997913 is 319799332.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233997913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233997917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55738 + ... + 59788.

It is an arithmetic number, because the mean of its divisors is an integer number (29903760).

Almost surely, 2^233997913 is an apocalyptic number.

It is an amenable number.

233997913 is a deficient number, since it is larger than the sum of its proper divisors (5232167).

233997913 is a wasteful number, since it uses less digits than its factorization.

233997913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327.

The product of its digits is 275562, while the sum is 46.

The square root of 233997913 is about 15296.9903248972. The cubic root of 233997913 is about 616.2221827758. Note that the first 3 decimals are identical.

The spelling of 233997913 in words is "two hundred thirty-three million, nine hundred ninety-seven thousand, nine hundred thirteen".