231423343 has 4 divisors (see below), whose sum is σ = 231557560. Its totient is φ = 231289128.

The previous prime is 231423341. The next prime is 231423391. The reversal of 231423343 is 343324132.

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 231423343 - 2¹ = 231423341 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 (231423341) 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 3 ways as a sum of consecutive naturals, for example, 64488 + ... + 67981.

It is an arithmetic number, because the mean of its divisors is an integer number (57889390).

Almost surely, 2^231423343 is an apocalyptic number.

231423343 is a deficient number, since it is larger than the sum of its proper divisors (134217).

231423343 is a wasteful number, since it uses less digits than its factorization.

231423343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134216.

The product of its digits is 5184, while the sum is 25.

The square root of 231423343 is about 15212.6047408062. The cubic root of 231423343 is about 613.9538413100.

Adding to 231423343 its reverse (343324132), we get a palindrome (574747475).

The spelling of 231423343 in words is "two hundred thirty-one million, four hundred twenty-three thousand, three hundred forty-three".