843223 has 4 divisors (see below), whose sum is σ = 854848. Its totient is φ = 831600.

The previous prime is 843211. The next prime is 843229. The reversal of 843223 is 322348.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-843223 is a prime.

It is a super-2 number, since 2×843223² = 1422050055458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 843194 and 843203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843229) 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, 5703 + ... + 5848.

It is an arithmetic number, because the mean of its divisors is an integer number (213712).

2⁸⁴³²²³ is an apocalyptic number.

843223 is a deficient number, since it is larger than the sum of its proper divisors (11625).

843223 is a wasteful number, since it uses less digits than its factorization.

843223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11624.

The product of its digits is 1152, while the sum is 22.

The square root of 843223 is about 918.2717462712. The cubic root of 843223 is about 94.4744012109.

The spelling of 843223 in words is "eight hundred forty-three thousand, two hundred twenty-three".