12443432330 has 16 divisors (see below), whose sum is σ = 25597918080. Its totient is φ = 4266319632.

The previous prime is 12443432249. The next prime is 12443432341. The reversal of 12443432330 is 3323434421.

It is a junction number, because it is equal to n+sod(n) for n = 12443432293 and 12443432302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88881590 + ... + 88881729.

It is an arithmetic number, because the mean of its divisors is an integer number (1599869880).

Almost surely, 2^12443432330 is an apocalyptic number.

12443432330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12443432330 is an abundant number, since it is smaller than the sum of its proper divisors (13154485750).

12443432330 is a wasteful number, since it uses less digits than its factorization.

12443432330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177763333.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 12443432330 its reverse (3323434421), we get a palindrome (15766866751).

The spelling of 12443432330 in words is "twelve billion, four hundred forty-three million, four hundred thirty-two thousand, three hundred thirty".