871943345223 has 4 divisors (see below), whose sum is σ = 1162591126968. Its totient is φ = 581295563480.

The previous prime is 871943345123. The next prime is 871943345237. The reversal of 871943345223 is 322543349178.

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 871943345223 - 2¹⁶ = 871943279687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871943345263) 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, 145323890868 + ... + 145323890873.

It is an arithmetic number, because the mean of its divisors is an integer number (290647781742).

Almost surely, 2^871943345223 is an apocalyptic number.

871943345223 is a deficient number, since it is larger than the sum of its proper divisors (290647781745).

871943345223 is a wasteful number, since it uses less digits than its factorization.

871943345223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290647781744.

The product of its digits is 4354560, while the sum is 51.

The spelling of 871943345223 in words is "eight hundred seventy-one billion, nine hundred forty-three million, three hundred forty-five thousand, two hundred twenty-three".