12331244223 has 16 divisors (see below), whose sum is σ = 18494050400. Its totient is φ = 8220828024.

The previous prime is 12331244137. The next prime is 12331244273. The reversal of 12331244223 is 32244213321.

12331244223 is a `hidden beast` number, since 1 + 233 + 1 + 2 + 4 + 422 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12331244223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331244273) 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, 2817028 + ... + 2821401.

It is an arithmetic number, because the mean of its divisors is an integer number (1155878150).

Almost surely, 2^12331244223 is an apocalyptic number.

12331244223 is a deficient number, since it is larger than the sum of its proper divisors (6162806177).

12331244223 is an frugal number, since it uses more digits than its factorization.

12331244223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638450 (or 5638432 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 12331244223 its reverse (32244213321), we get a palindrome (44575457544).

It can be divided in two parts, 1233 and 1244223, that added together give a square (1245456 = 1116²).

The spelling of 12331244223 in words is "twelve billion, three hundred thirty-one million, two hundred forty-four thousand, two hundred twenty-three".