843143 has 6 divisors (see below), whose sum is σ = 980856. Its totient is φ = 722652.

The previous prime is 843137. The next prime is 843173. The reversal of 843143 is 341348.

It is not a de Polignac number, because 843143 - 2⁴ = 843127 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 843143.

It is not an unprimeable number, because it can be changed into a prime (843103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8555 + ... + 8652.

It is an arithmetic number, because the mean of its divisors is an integer number (163476).

2⁸⁴³¹⁴³ is an apocalyptic number.

843143 is a deficient number, since it is larger than the sum of its proper divisors (137713).

843143 is a wasteful number, since it uses less digits than its factorization.

843143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17221 (or 17214 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 843143 is about 918.2281851479. The cubic root of 843143 is about 94.4714133926.

The spelling of 843143 in words is "eight hundred forty-three thousand, one hundred forty-three".