12443240003 has 2 divisors, whose sum is σ = 12443240004. Its totient is φ = 12443240002.

The previous prime is 12443239997. The next prime is 12443240021. The reversal of 12443240003 is 30004234421.

12443240003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12443240003 - 2⁴ = 12443239987 is a prime.

It is not a weakly prime, because it can be changed into another prime (12443240053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221620001 + 6221620002.

It is an arithmetic number, because the mean of its divisors is an integer number (6221620002).

Almost surely, 2^12443240003 is an apocalyptic number.

12443240003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12443240003 is an equidigital number, since it uses as much as digits as its factorization.

12443240003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12443240003 its reverse (30004234421), we get a palindrome (42447474424).

The spelling of 12443240003 in words is "twelve billion, four hundred forty-three million, two hundred forty thousand, three".