873143 has 4 divisors (see below), whose sum is σ = 877008. Its totient is φ = 869280.

The previous prime is 873139. The next prime is 873157. The reversal of 873143 is 341378.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341378 = 2 ⋅170689.

It is a cyclic number.

It is not a de Polignac number, because 873143 - 2² = 873139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873143.

It is not an unprimeable number, because it can be changed into a prime (873113) 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, 1571 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (219252).

2⁸⁷³¹⁴³ is an apocalyptic number.

873143 is a deficient number, since it is larger than the sum of its proper divisors (3865).

873143 is a wasteful number, since it uses less digits than its factorization.

873143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864.

The product of its digits is 2016, while the sum is 26.

The square root of 873143 is about 934.4212112319. The cubic root of 873143 is about 95.5788481066.

The spelling of 873143 in words is "eight hundred seventy-three thousand, one hundred forty-three".