8423573 has 4 divisors (see below), whose sum is σ = 8629068. Its totient is φ = 8218080.

The previous prime is 8423563. The next prime is 8423603. The reversal of 8423573 is 3753248.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117649 + 8305924 = 343^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 8423573 - 2¹⁰ = 8422549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102686 + ... + 102767.

It is an arithmetic number, because the mean of its divisors is an integer number (2157267).

Almost surely, 2^8423573 is an apocalyptic number.

It is an amenable number.

8423573 is a deficient number, since it is larger than the sum of its proper divisors (205495).

8423573 is a wasteful number, since it uses less digits than its factorization.

8423573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205494.

The product of its digits is 20160, while the sum is 32.

The square root of 8423573 is about 2902.3392289669. The cubic root of 8423573 is about 203.4692486137.

The spelling of 8423573 in words is "eight million, four hundred twenty-three thousand, five hundred seventy-three".