12443434401 has 8 divisors (see below), whose sum is σ = 17312604480. Its totient is φ = 7934943632.

The previous prime is 12443434387. The next prime is 12443434403. The reversal of 12443434401 is 10443434421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12443434401 - 2²² = 12439240097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12443434403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90169746 + ... + 90169883.

It is an arithmetic number, because the mean of its divisors is an integer number (2164075560).

Almost surely, 2^12443434401 is an apocalyptic number.

It is an amenable number.

12443434401 is a deficient number, since it is larger than the sum of its proper divisors (4869170079).

12443434401 is a wasteful number, since it uses less digits than its factorization.

12443434401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180339655.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 12443434401 its reverse (10443434421), we get a palindrome (22886868822).

The spelling of 12443434401 in words is "twelve billion, four hundred forty-three million, four hundred thirty-four thousand, four hundred one".