80423 has 4 divisors (see below), whose sum is σ = 91920. Its totient is φ = 68928.

The previous prime is 80407. The next prime is 80429. The reversal of 80423 is 32408.

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 80423 - 2⁴ = 80407 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 (80429) 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, 5738 + ... + 5751.

It is an arithmetic number, because the mean of its divisors is an integer number (22980).

2⁸⁰⁴²³ is an apocalyptic number.

80423 is a deficient number, since it is larger than the sum of its proper divisors (11497).

80423 is a wasteful number, since it uses less digits than its factorization.

80423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11496.

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

The square root of 80423 is about 283.5894920479. The cubic root of 80423 is about 43.1645041643.

The spelling of 80423 in words is "eighty thousand, four hundred twenty-three".