1423386771871 has 4 divisors (see below), whose sum is σ = 1426434709752. Its totient is φ = 1420338833992.

The previous prime is 1423386771803. The next prime is 1423386771881. The reversal of 1423386771871 is 1781776833241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1423386771871 - 2⁷ = 1423386771743 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423386771881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523968240 + ... + 1523969173.

It is an arithmetic number, because the mean of its divisors is an integer number (356608677438).

Almost surely, 2^{1423386771871} is an apocalyptic number.

1423386771871 is a deficient number, since it is larger than the sum of its proper divisors (3047937881).

1423386771871 is an equidigital number, since it uses as much as digits as its factorization.

1423386771871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047937880.

The product of its digits is 9483264, while the sum is 58.

The spelling of 1423386771871 in words is "one trillion, four hundred twenty-three billion, three hundred eighty-six million, seven hundred seventy-one thousand, eight hundred seventy-one".