80243 has 4 divisors (see below), whose sum is σ = 83040. Its totient is φ = 77448.

The previous prime is 80239. The next prime is 80251. The reversal of 80243 is 34208.

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 80243 - 2² = 80239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80233) 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, 1355 + ... + 1412.

It is an arithmetic number, because the mean of its divisors is an integer number (20760).

2⁸⁰²⁴³ is an apocalyptic number.

80243 is a deficient number, since it is larger than the sum of its proper divisors (2797).

80243 is a wasteful number, since it uses less digits than its factorization.

80243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 80243 is about 283.2719541360. The cubic root of 80243 is about 43.1322770049.

It can be divided in two parts, 80 and 243, that added together give a palindrome (323).

The spelling of 80243 in words is "eighty thousand, two hundred forty-three".