4536823 has 4 divisors (see below), whose sum is σ = 4560768. Its totient is φ = 4512880.

The previous prime is 4536817. The next prime is 4536827. The reversal of 4536823 is 3286354.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4536823 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4⁹ + 5⁷ + 3³ + 6² + 8⁷ + 2²¹ + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4536827) 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, 11686 + ... + 12067.

It is an arithmetic number, because the mean of its divisors is an integer number (1140192).

Almost surely, 2^4536823 is an apocalyptic number.

4536823 is a deficient number, since it is larger than the sum of its proper divisors (23945).

4536823 is a wasteful number, since it uses less digits than its factorization.

4536823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23944.

The product of its digits is 17280, while the sum is 31.

The square root of 4536823 is about 2129.9819248059. The cubic root of 4536823 is about 165.5454614175.

The spelling of 4536823 in words is "four million, five hundred thirty-six thousand, eight hundred twenty-three".