232191 has 6 divisors (see below), whose sum is σ = 335400. Its totient is φ = 154788.

The previous prime is 232189. The next prime is 232207. The reversal of 232191 is 191232.

It is a happy number.

It is not a de Polignac number, because 232191 - 2¹ = 232189 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 232191.

It is not an unprimeable number, because it can be changed into a prime (232171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12891 + ... + 12908.

It is an arithmetic number, because the mean of its divisors is an integer number (55900).

2²³²¹⁹¹ is an apocalyptic number.

232191 is a deficient number, since it is larger than the sum of its proper divisors (103209).

232191 is a wasteful number, since it uses less digits than its factorization.

232191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25805 (or 25802 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 232191 is about 481.8620134437. The cubic root of 232191 is about 61.4631943169.

It can be divided in two parts, 23219 and 1, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 232191 in words is "two hundred thirty-two thousand, one hundred ninety-one".