231023033 has 12 divisors (see below), whose sum is σ = 245790720. Its totient is φ = 217097496.

The previous prime is 231023021. The next prime is 231023041. The reversal of 231023033 is 330320132.

231023033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231023033 - 2⁶ = 231022969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231023003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43328 + ... + 48366.

It is an arithmetic number, because the mean of its divisors is an integer number (20482560).

Almost surely, 2^231023033 is an apocalyptic number.

It is an amenable number.

231023033 is a deficient number, since it is larger than the sum of its proper divisors (14767687).

231023033 is a wasteful number, since it uses less digits than its factorization.

231023033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204 (or 5185 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 231023033 is about 15199.4418647528. The cubic root of 231023033 is about 613.5996366084.

Adding to 231023033 its reverse (330320132), we get a palindrome (561343165).

The spelling of 231023033 in words is "two hundred thirty-one million, twenty-three thousand, thirty-three".