1443172887103 has 2 divisors, whose sum is σ = 1443172887104. Its totient is φ = 1443172887102.

The previous prime is 1443172887067. The next prime is 1443172887119. The reversal of 1443172887103 is 3017882713441.

It is a strong prime.

It is an emirp because it is prime and its reverse (3017882713441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1443172887103 - 2⁹ = 1443172886591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1443172887173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721586443551 + 721586443552.

It is an arithmetic number, because the mean of its divisors is an integer number (721586443552).

Almost surely, 2^{1443172887103} is an apocalyptic number.

1443172887103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443172887103 is an equidigital number, since it uses as much as digits as its factorization.

1443172887103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 1443172887103 in words is "one trillion, four hundred forty-three billion, one hundred seventy-two million, eight hundred eighty-seven thousand, one hundred three".