12303430144 has 40 divisors (see below), whose sum is σ = 24618229020. Its totient is φ = 6142857216.

The previous prime is 12303430127. The next prime is 12303430151. The reversal of 12303430144 is 44103430321.

It can be written as a sum of positive squares in 2 ways, for example, as 12241209600 + 62220544 = 110640^2 + 7888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346062 + ... + 379954.

Almost surely, 2^12303430144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12303430144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12309114510).

12303430144 is an abundant number, since it is smaller than the sum of its proper divisors (12314798876).

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

12303430144 is an frugal number, since it uses more digits than its factorization.

12303430144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34620 (or 34604 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12303430144 its reverse (44103430321), we get a palindrome (56406860465).

The spelling of 12303430144 in words is "twelve billion, three hundred three million, four hundred thirty thousand, one hundred forty-four".