12443233143 has 16 divisors (see below), whose sum is σ = 18174988800. Its totient is φ = 7509794880.

The previous prime is 12443233141. The next prime is 12443233183. The reversal of 12443233143 is 34133234421.

It is a happy number.

It is not a de Polignac number, because 12443233143 - 2¹ = 12443233141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12443233143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443233141) 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, 780958 + ... + 796731.

It is an arithmetic number, because the mean of its divisors is an integer number (1135936800).

Almost surely, 2^12443233143 is an apocalyptic number.

12443233143 is a deficient number, since it is larger than the sum of its proper divisors (5731755657).

12443233143 is a wasteful number, since it uses less digits than its factorization.

12443233143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577942.

The product of its digits is 20736, while the sum is 30.

Adding to 12443233143 its reverse (34133234421), we get a palindrome (46576467564).

The spelling of 12443233143 in words is "twelve billion, four hundred forty-three million, two hundred thirty-three thousand, one hundred forty-three".