12304020344 has 96 divisors (see below), whose sum is σ = 29957558400. Its totient is φ = 4682220480.

The previous prime is 12304020343. The next prime is 12304020371. The reversal of 12304020344 is 44302040321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304020343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152237 + ... + 218595.

It is an arithmetic number, because the mean of its divisors is an integer number (312057900).

Almost surely, 2^12304020344 is an apocalyptic number.

12304020344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12304020344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14978779200).

12304020344 is an abundant number, since it is smaller than the sum of its proper divisors (17653538056).

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

12304020344 is a wasteful number, since it uses less digits than its factorization.

12304020344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66433 (or 66422 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12304020344 its reverse (44302040321), we get a palindrome (56606060665).

The spelling of 12304020344 in words is "twelve billion, three hundred four million, twenty thousand, three hundred forty-four".