233243231 has 8 divisors (see below), whose sum is σ = 251376384. Its totient is φ = 215137440.

The previous prime is 233243209. The next prime is 233243237. The reversal of 233243231 is 132342332.

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-233243231 is a prime.

It is a super-2 number, since 2×233243231² = 108804809614638722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233243197 and 233243206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233243237) 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, 13025 + ... + 25221.

It is an arithmetic number, because the mean of its divisors is an integer number (31422048).

Almost surely, 2^233243231 is an apocalyptic number.

233243231 is a deficient number, since it is larger than the sum of its proper divisors (18133153).

233243231 is a wasteful number, since it uses less digits than its factorization.

233243231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681.

The product of its digits is 2592, while the sum is 23.

The square root of 233243231 is about 15272.3027405824. The cubic root of 233243231 is about 615.5589964573.

Adding to 233243231 its reverse (132342332), we get a palindrome (365585563).

The spelling of 233243231 in words is "two hundred thirty-three million, two hundred forty-three thousand, two hundred thirty-one".