232191143 has 4 divisors (see below), whose sum is σ = 233017728. Its totient is φ = 231364560.

The previous prime is 232191133. The next prime is 232191163. The reversal of 232191143 is 341191232.

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 232191143 - 2⁶ = 232191079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232191133) 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, 412871 + ... + 413432.

It is an arithmetic number, because the mean of its divisors is an integer number (58254432).

Almost surely, 2^232191143 is an apocalyptic number.

232191143 is a deficient number, since it is larger than the sum of its proper divisors (826585).

232191143 is an equidigital number, since it uses as much as digits as its factorization.

232191143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826584.

The product of its digits is 1296, while the sum is 26.

The square root of 232191143 is about 15237.8194962403. The cubic root of 232191143 is about 614.6320693473.

The spelling of 232191143 in words is "two hundred thirty-two million, one hundred ninety-one thousand, one hundred forty-three".