13231033223 has 4 divisors (see below), whose sum is σ = 13257337968. Its totient is φ = 13204728480.

The previous prime is 13231033219. The next prime is 13231033279. The reversal of 13231033223 is 32233013231.

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 13231033223 - 2² = 13231033219 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 (13231033423) 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, 13151618 + ... + 13152623.

It is an arithmetic number, because the mean of its divisors is an integer number (3314334492).

Almost surely, 2^13231033223 is an apocalyptic number.

13231033223 is a deficient number, since it is larger than the sum of its proper divisors (26304745).

13231033223 is an equidigital number, since it uses as much as digits as its factorization.

13231033223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26304744.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13231033223 its reverse (32233013231), we get a palindrome (45464046454).

The spelling of 13231033223 in words is "thirteen billion, two hundred thirty-one million, thirty-three thousand, two hundred twenty-three".