12311323230 has 64 divisors (see below), whose sum is σ = 29926660608. Its totient is φ = 3241054080.

The previous prime is 12311323217. The next prime is 12311323237. The reversal of 12311323230 is 3232311321.

It is a junction number, because it is equal to n+sod(n) for n = 12311323197 and 12311323206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311323237) 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, 1016772 + ... + 1028808.

It is an arithmetic number, because the mean of its divisors is an integer number (467604072).

Almost surely, 2^12311323230 is an apocalyptic number.

12311323230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12311323230 is an abundant number, since it is smaller than the sum of its proper divisors (17615337378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311323230 is a wasteful number, since it uses less digits than its factorization.

12311323230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12481.

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

Adding to 12311323230 its reverse (3232311321), we get a palindrome (15543634551).

The spelling of 12311323230 in words is "twelve billion, three hundred eleven million, three hundred twenty-three thousand, two hundred thirty".