12440113403 has 2 divisors, whose sum is σ = 12440113404. Its totient is φ = 12440113402.

The previous prime is 12440113393. The next prime is 12440113451. The reversal of 12440113403 is 30431104421.

It is a weak prime.

It is an emirp because it is prime and its reverse (30431104421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12440113403 - 2¹⁰ = 12440112379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12440113453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220056701 + 6220056702.

It is an arithmetic number, because the mean of its divisors is an integer number (6220056702).

Almost surely, 2^12440113403 is an apocalyptic number.

12440113403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440113403 is an equidigital number, since it uses as much as digits as its factorization.

12440113403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12440113403 its reverse (30431104421), we get a palindrome (42871217824).

The spelling of 12440113403 in words is "twelve billion, four hundred forty million, one hundred thirteen thousand, four hundred three".