12433230520 has 64 divisors (see below), whose sum is σ = 29209273920. Its totient is φ = 4754095104.

The previous prime is 12433230503. The next prime is 12433230529. The reversal of 12433230520 is 2503233421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12433230529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1977622 + ... + 1983898.

It is an arithmetic number, because the mean of its divisors is an integer number (456394905).

Almost surely, 2^12433230520 is an apocalyptic number.

12433230520 is a gapful number since it is divisible by the number (10) 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 12433230520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14604636960).

12433230520 is an abundant number, since it is smaller than the sum of its proper divisors (16776043400).

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

12433230520 is a wasteful number, since it uses less digits than its factorization.

12433230520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8464 (or 8460 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 12433230520 its reverse (2503233421), we get a palindrome (14936463941).

The spelling of 12433230520 in words is "twelve billion, four hundred thirty-three million, two hundred thirty thousand, five hundred twenty".