232543161 has 12 divisors (see below), whose sum is σ = 336098880. Its totient is φ = 154935000.

The previous prime is 232543151. The next prime is 232543177. The reversal of 232543161 is 161345232.

It is not a de Polignac number, because 232543161 - 2⁹ = 232542649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (232543111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10036 + ... + 23786.

It is an arithmetic number, because the mean of its divisors is an integer number (28008240).

Almost surely, 2^232543161 is an apocalyptic number.

It is an amenable number.

232543161 is a deficient number, since it is larger than the sum of its proper divisors (103555719).

232543161 is a wasteful number, since it uses less digits than its factorization.

232543161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15636 (or 15633 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 232543161 is about 15249.3659212441. The cubic root of 232543161 is about 614.9425209021.

Adding to 232543161 its reverse (161345232), we get a palindrome (393888393).

The spelling of 232543161 in words is "two hundred thirty-two million, five hundred forty-three thousand, one hundred sixty-one".