80243303 has 4 divisors (see below), whose sum is σ = 91706640. Its totient is φ = 68779968.

The previous prime is 80243291. The next prime is 80243311. The reversal of 80243303 is 30334208.

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 80243303 - 2⁶ = 80243239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80243393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5731658 + ... + 5731671.

It is an arithmetic number, because the mean of its divisors is an integer number (22926660).

Almost surely, 2^80243303 is an apocalyptic number.

80243303 is a deficient number, since it is larger than the sum of its proper divisors (11463337).

80243303 is a wasteful number, since it uses less digits than its factorization.

80243303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11463336.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 80243303 is about 8957.8626356961. The cubic root of 80243303 is about 431.3233129438.

The spelling of 80243303 in words is "eighty million, two hundred forty-three thousand, three hundred three".