80047423 has 4 divisors (see below), whose sum is σ = 80076280. Its totient is φ = 80018568.

The previous prime is 80047417. The next prime is 80047447. The reversal of 80047423 is 32474008.

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 80047423 - 2¹³ = 80039231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80047391 and 80047400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80047523) 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, 9765 + ... + 15982.

It is an arithmetic number, because the mean of its divisors is an integer number (20019070).

Almost surely, 2^80047423 is an apocalyptic number.

80047423 is a deficient number, since it is larger than the sum of its proper divisors (28857).

80047423 is a wasteful number, since it uses less digits than its factorization.

80047423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28856.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 80047423 is about 8946.9225435342. The cubic root of 80047423 is about 430.9720626519.

The spelling of 80047423 in words is "eighty million, forty-seven thousand, four hundred twenty-three".