12443025503 has 2 divisors, whose sum is σ = 12443025504. Its totient is φ = 12443025502.

The previous prime is 12443025479. The next prime is 12443025607. The reversal of 12443025503 is 30552034421.

It is a happy number.

12443025503 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 an emirp because it is prime and its reverse (30552034421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12443025503 - 2¹⁶ = 12442959967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12443025103) 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, 6221512751 + 6221512752.

It is an arithmetic number, because the mean of its divisors is an integer number (6221512752).

Almost surely, 2^12443025503 is an apocalyptic number.

12443025503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12443025503 is an equidigital number, since it uses as much as digits as its factorization.

12443025503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 12443025503 its reverse (30552034421), we get a palindrome (42995059924).

The spelling of 12443025503 in words is "twelve billion, four hundred forty-three million, twenty-five thousand, five hundred three".