231232343 has 4 divisors (see below), whose sum is σ = 234683640. Its totient is φ = 227781048.

The previous prime is 231232321. The next prime is 231232357. The reversal of 231232343 is 343232132.

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 231232343 - 2⁶ = 231232279 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 (231232373) 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, 1725548 + ... + 1725681.

It is an arithmetic number, because the mean of its divisors is an integer number (58670910).

Almost surely, 2^231232343 is an apocalyptic number.

231232343 is a deficient number, since it is larger than the sum of its proper divisors (3451297).

231232343 is an equidigital number, since it uses as much as digits as its factorization.

231232343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451296.

The product of its digits is 2592, while the sum is 23.

The square root of 231232343 is about 15206.3257560793. The cubic root of 231232343 is about 613.7848905353.

Adding to 231232343 its reverse (343232132), we get a palindrome (574464475).

The spelling of 231232343 in words is "two hundred thirty-one million, two hundred thirty-two thousand, three hundred forty-three".