12443231003 has 16 divisors (see below), whose sum is σ = 14313024000. Its totient is φ = 10596593472.

The previous prime is 12443230997. The next prime is 12443231011. The reversal of 12443231003 is 30013234421.

It is a cyclic number.

It is not a de Polignac number, because 12443231003 - 2⁸ = 12443230747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12443231003.

It is not an unprimeable number, because it can be changed into a prime (12443231023) 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, 1648943 + ... + 1656471.

It is an arithmetic number, because the mean of its divisors is an integer number (894564000).

Almost surely, 2^12443231003 is an apocalyptic number.

12443231003 is a deficient number, since it is larger than the sum of its proper divisors (1869792997).

12443231003 is a wasteful number, since it uses less digits than its factorization.

12443231003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9034.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12443231003 its reverse (30013234421), we get a palindrome (42456465424).

The spelling of 12443231003 in words is "twelve billion, four hundred forty-three million, two hundred thirty-one thousand, three".