231493233 has 8 divisors (see below), whose sum is σ = 326814048. Its totient is φ = 145250624.

The previous prime is 231493181. The next prime is 231493237. The reversal of 231493233 is 332394132.

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

It is a cyclic number.

It is not a de Polignac number, because 231493233 - 2¹⁷ = 231362161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231493233.

It is not an unprimeable number, because it can be changed into a prime (231493237) 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, 2269491 + ... + 2269592.

It is an arithmetic number, because the mean of its divisors is an integer number (40851756).

Almost surely, 2^231493233 is an apocalyptic number.

It is an amenable number.

231493233 is a deficient number, since it is larger than the sum of its proper divisors (95320815).

231493233 is a wasteful number, since it uses less digits than its factorization.

231493233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539103.

The product of its digits is 11664, while the sum is 30.

The square root of 231493233 is about 15214.9016756600. The cubic root of 231493233 is about 614.0156399090.

The spelling of 231493233 in words is "two hundred thirty-one million, four hundred ninety-three thousand, two hundred thirty-three".