232545231 has 12 divisors (see below), whose sum is σ = 337589200. Its totient is φ = 154249920.

The previous prime is 232545221. The next prime is 232545241. The reversal of 232545231 is 132545232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (232545221) and next prime (232545241).

It is not a de Polignac number, because 232545231 - 2¹⁴ = 232528847 is a prime.

It is a super-2 number, since 2×232545231² = 108154568921686722, 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 = 232545195 and 232545204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232545211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63130 + ... + 66711.

Almost surely, 2^232545231 is an apocalyptic number.

232545231 is a deficient number, since it is larger than the sum of its proper divisors (105043969).

232545231 is a wasteful number, since it uses less digits than its factorization.

232545231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130046 (or 130043 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 232545231 is about 15249.4337927675. The cubic root of 232545231 is about 614.9443455487.

Subtracting from 232545231 its reverse (132545232), we obtain a palindrome (99999999).

The spelling of 232545231 in words is "two hundred thirty-two million, five hundred forty-five thousand, two hundred thirty-one".