12443333430 has 64 divisors (see below), whose sum is σ = 34495331328. Its totient is φ = 2839119360.

The previous prime is 12443333423. The next prime is 12443333503. The reversal of 12443333430 is 3433334421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1103422 + ... + 1114641.

It is an arithmetic number, because the mean of its divisors is an integer number (538989552).

Almost surely, 2^12443333430 is an apocalyptic number.

12443333430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12443333430 is an abundant number, since it is smaller than the sum of its proper divisors (22051997898).

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

12443333430 is a wasteful number, since it uses less digits than its factorization.

12443333430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218101.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 12443333430 its reverse (3433334421), we get a palindrome (15876667851).

Subtracting from 12443333430 its reverse (3433334421), we obtain a palindrome (9009999009).

The spelling of 12443333430 in words is "twelve billion, four hundred forty-three million, three hundred thirty-three thousand, four hundred thirty".