1442403243403 has 2 divisors, whose sum is σ = 1442403243404. Its totient is φ = 1442403243402.

The previous prime is 1442403243383. The next prime is 1442403243427. The reversal of 1442403243403 is 3043423042441.

It is a weak prime.

It is an emirp because it is prime and its reverse (3043423042441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442403243403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442403243443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721201621701 + 721201621702.

It is an arithmetic number, because the mean of its divisors is an integer number (721201621702).

Almost surely, 2^{1442403243403} is an apocalyptic number.

1442403243403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442403243403 is an equidigital number, since it uses as much as digits as its factorization.

1442403243403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 1442403243403 its reverse (3043423042441), we get a palindrome (4485826285844).

The spelling of 1442403243403 in words is "one trillion, four hundred forty-two billion, four hundred three million, two hundred forty-three thousand, four hundred three".