80243443 has 4 divisors (see below), whose sum is σ = 91706800. Its totient is φ = 68780088.

The previous prime is 80243413. The next prime is 80243459. The reversal of 80243443 is 34434208.

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 80243443 - 2⁵ = 80243411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80243413) 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, 5731668 + ... + 5731681.

It is an arithmetic number, because the mean of its divisors is an integer number (22926700).

Almost surely, 2^80243443 is an apocalyptic number.

80243443 is a deficient number, since it is larger than the sum of its proper divisors (11463357).

80243443 is a wasteful number, since it uses less digits than its factorization.

80243443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11463356.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 80243443 is about 8957.8704500568. The cubic root of 80243443 is about 431.3235637861.

The spelling of 80243443 in words is "eighty million, two hundred forty-three thousand, four hundred forty-three".