232303231 has 4 divisors (see below), whose sum is σ = 232342672. Its totient is φ = 232263792.

The previous prime is 232303207. The next prime is 232303273. The reversal of 232303231 is 132303232.

It is a happy number.

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 232303231 - 2¹⁵ = 232270463 is a prime.

It is a super-2 number, since 2×232303231² = 107929582266078722, 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 = 232303199 and 232303208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232303031) 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, 8910 + ... + 23323.

It is an arithmetic number, because the mean of its divisors is an integer number (58085668).

Almost surely, 2^232303231 is an apocalyptic number.

232303231 is a deficient number, since it is larger than the sum of its proper divisors (39441).

232303231 is an equidigital number, since it uses as much as digits as its factorization.

232303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39440.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 232303231 is about 15241.4970065279. The cubic root of 232303231 is about 614.7309559739.

Adding to 232303231 its reverse (132303232), we get a palindrome (364606463).

Subtracting from 232303231 its reverse (132303232), we obtain a palindrome (99999999).

The spelling of 232303231 in words is "two hundred thirty-two million, three hundred three thousand, two hundred thirty-one".