231044223 has 16 divisors (see below), whose sum is σ = 322119936. Its totient is φ = 147026880.

The previous prime is 231044159. The next prime is 231044239. The reversal of 231044223 is 322440132.

It is not a de Polignac number, because 231044223 - 2⁶ = 231044159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231044223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231044273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32736 + ... + 39162.

It is an arithmetic number, because the mean of its divisors is an integer number (20132496).

Almost surely, 2^231044223 is an apocalyptic number.

231044223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231044223 is a deficient number, since it is larger than the sum of its proper divisors (91075713).

231044223 is a wasteful number, since it uses less digits than its factorization.

231044223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6974.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 231044223 is about 15200.1389138389. The cubic root of 231044223 is about 613.6183963234.

Adding to 231044223 its reverse (322440132), we get a palindrome (553484355).

The spelling of 231044223 in words is "two hundred thirty-one million, forty-four thousand, two hundred twenty-three".