12323430312 has 32 divisors (see below), whose sum is σ = 31179768480. Its totient is φ = 4058317760.

The previous prime is 12323430293. The next prime is 12323430319. The reversal of 12323430312 is 21303432321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12323430319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3091239 + ... + 3095222.

It is an arithmetic number, because the mean of its divisors is an integer number (974367765).

Almost surely, 2^12323430312 is an apocalyptic number.

12323430312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12323430312 is an abundant number, since it is smaller than the sum of its proper divisors (18856338168).

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

12323430312 is a wasteful number, since it uses less digits than its factorization.

12323430312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186553 (or 6186549 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12323430312 its reverse (21303432321), we get a palindrome (33626862633).

It can be divided in two parts, 123 and 23430312, that added together give a triangular number (23430435 = T₆₈₄₅).

The spelling of 12323430312 in words is "twelve billion, three hundred twenty-three million, four hundred thirty thousand, three hundred twelve".