12303131223 has 8 divisors (see below), whose sum is σ = 16533342208. Its totient is φ = 8137503864.

The previous prime is 12303131219. The next prime is 12303131263. The reversal of 12303131223 is 32213130321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12303131223 - 2² = 12303131219 is a prime.

It is a super-3 number, since 3×12303131223³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12303131223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303131263) 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 7 ways as a sum of consecutive naturals, for example, 16145461 + ... + 16146222.

It is an arithmetic number, because the mean of its divisors is an integer number (2066667776).

Almost surely, 2^12303131223 is an apocalyptic number.

12303131223 is a deficient number, since it is larger than the sum of its proper divisors (4230210985).

12303131223 is a wasteful number, since it uses less digits than its factorization.

12303131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32291813.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12303131223 its reverse (32213130321), we get a palindrome (44516261544).

The spelling of 12303131223 in words is "twelve billion, three hundred three million, one hundred thirty-one thousand, two hundred twenty-three".