233042231 has 4 divisors (see below), whose sum is σ = 241078200. Its totient is φ = 225006264.

The previous prime is 233042213. The next prime is 233042261. The reversal of 233042231 is 132240332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233042231 - 2¹⁴ = 233025847 is a prime.

It is a super-2 number, since 2×233042231² = 108617362858914722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233042261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4017941 + ... + 4017998.

It is an arithmetic number, because the mean of its divisors is an integer number (60269550).

Almost surely, 2^233042231 is an apocalyptic number.

233042231 is a deficient number, since it is larger than the sum of its proper divisors (8035969).

233042231 is an equidigital number, since it uses as much as digits as its factorization.

233042231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8035968.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 233042231 is about 15265.7207821970. The cubic root of 233042231 is about 615.3821239911.

Adding to 233042231 its reverse (132240332), we get a palindrome (365282563).

The spelling of 233042231 in words is "two hundred thirty-three million, forty-two thousand, two hundred thirty-one".