233450231 has 4 divisors (see below), whose sum is σ = 266800272. Its totient is φ = 200100192.

The previous prime is 233450219. The next prime is 233450237. The reversal of 233450231 is 132054332.

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 233450231 - 2⁶ = 233450167 is a prime.

It is a super-2 number, since 2×233450231² = 108998020707906722, 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 = 233450197 and 233450206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233450237) 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, 16675010 + ... + 16675023.

It is an arithmetic number, because the mean of its divisors is an integer number (66700068).

Almost surely, 2^233450231 is an apocalyptic number.

233450231 is a deficient number, since it is larger than the sum of its proper divisors (33350041).

233450231 is an equidigital number, since it uses as much as digits as its factorization.

233450231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33350040.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 233450231 is about 15279.0782117247. The cubic root of 233450231 is about 615.7410425209.

The spelling of 233450231 in words is "two hundred thirty-three million, four hundred fifty thousand, two hundred thirty-one".