232240231 has 4 divisors (see below), whose sum is σ = 238517032. Its totient is φ = 225963432.

The previous prime is 232240193. The next prime is 232240241. The reversal of 232240231 is 132042232.

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 232240231 - 2¹⁵ = 232207463 is a prime.

It is a super-2 number, since 2×232240231² = 107871049789866722, 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 = 232240199 and 232240208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232240241) 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, 3138345 + ... + 3138418.

It is an arithmetic number, because the mean of its divisors is an integer number (59629258).

Almost surely, 2^232240231 is an apocalyptic number.

232240231 is a deficient number, since it is larger than the sum of its proper divisors (6276801).

232240231 is an equidigital number, since it uses as much as digits as its factorization.

232240231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276800.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 232240231 is about 15239.4301402644. The cubic root of 232240231 is about 614.6753798324.

Adding to 232240231 its reverse (132042232), we get a palindrome (364282463).

The spelling of 232240231 in words is "two hundred thirty-two million, two hundred forty thousand, two hundred thirty-one".