8549423 has 4 divisors (see below), whose sum is σ = 8565768. Its totient is φ = 8533080.

The previous prime is 8549417. The next prime is 8549503. The reversal of 8549423 is 3249458.

8549423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3249458 = 2 ⋅1624729.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8549423 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 5⁵ + 4⁴ + 9² + 4⁸ + 2²³ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8549413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7361 + ... + 8442.

It is an arithmetic number, because the mean of its divisors is an integer number (2141442).

Almost surely, 2^8549423 is an apocalyptic number.

8549423 is a deficient number, since it is larger than the sum of its proper divisors (16345).

8549423 is a wasteful number, since it uses less digits than its factorization.

8549423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16344.

The product of its digits is 34560, while the sum is 35.

The square root of 8549423 is about 2923.9396368598. The cubic root of 8549423 is about 204.4775353280.

Adding to 8549423 its sum of digits (35), we get a palindrome (8549458).

The spelling of 8549423 in words is "eight million, five hundred forty-nine thousand, four hundred twenty-three".