231344023 has 4 divisors (see below), whose sum is σ = 231443488. Its totient is φ = 231244560.

The previous prime is 231344021. The next prime is 231344033. The reversal of 231344023 is 320443132.

It is a happy number.

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 231344023 - 2¹ = 231344021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231343985 and 231344003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231344021) 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, 46158 + ... + 50923.

It is an arithmetic number, because the mean of its divisors is an integer number (57860872).

Almost surely, 2^231344023 is an apocalyptic number.

231344023 is a deficient number, since it is larger than the sum of its proper divisors (99465).

231344023 is an equidigital number, since it uses as much as digits as its factorization.

231344023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99464.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 231344023 is about 15209.9974687703. The cubic root of 231344023 is about 613.8836893784.

Adding to 231344023 its reverse (320443132), we get a palindrome (551787155).

The spelling of 231344023 in words is "two hundred thirty-one million, three hundred forty-four thousand, twenty-three".