12311210223 has 32 divisors (see below), whose sum is σ = 19651020480. Its totient is φ = 7572579840.

The previous prime is 12311210209. The next prime is 12311210243. The reversal of 12311210223 is 32201211321.

12311210223 is a `hidden beast` number, since 1 + 231 + 1 + 210 + 223 = 666.

It is not a de Polignac number, because 12311210223 - 2¹³ = 12311202031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12311210196 and 12311210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311210243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877915 + ... + 891827.

It is an arithmetic number, because the mean of its divisors is an integer number (614094390).

Almost surely, 2^12311210223 is an apocalyptic number.

12311210223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12311210223 is a deficient number, since it is larger than the sum of its proper divisors (7339810257).

12311210223 is a wasteful number, since it uses less digits than its factorization.

12311210223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16456 (or 16450 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12311210223 its reverse (32201211321), we get a palindrome (44512421544).

The spelling of 12311210223 in words is "twelve billion, three hundred eleven million, two hundred ten thousand, two hundred twenty-three".