233231994 has 16 divisors (see below), whose sum is σ = 518293440. Its totient is φ = 77743980.

The previous prime is 233231963. The next prime is 233232017. The reversal of 233231994 is 499132332.

233231994 is a `hidden beast` number, since 2 + 332 + 319 + 9 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159502 + ... + 2159609.

It is an arithmetic number, because the mean of its divisors is an integer number (32393340).

Almost surely, 2^233231994 is an apocalyptic number.

233231994 is an abundant number, since it is smaller than the sum of its proper divisors (285061446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233231994 is a wasteful number, since it uses less digits than its factorization.

233231994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319122 (or 4319116 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 233231994 is about 15271.9348479490. The cubic root of 233231994 is about 615.5491110007.

The spelling of 233231994 in words is "two hundred thirty-three million, two hundred thirty-one thousand, nine hundred ninety-four".