4423663 has 4 divisors (see below), whose sum is σ = 4450320. Its totient is φ = 4397008.

The previous prime is 4423649. The next prime is 4423667. The reversal of 4423663 is 3663244.

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 4423663 - 2¹⁷ = 4292591 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 (4423667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13078 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (1112580).

Almost surely, 2^4423663 is an apocalyptic number.

4423663 is a deficient number, since it is larger than the sum of its proper divisors (26657).

4423663 is a wasteful number, since it uses less digits than its factorization.

4423663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26656.

The product of its digits is 10368, while the sum is 28.

The square root of 4423663 is about 2103.2505794603. The cubic root of 4423663 is about 164.1574805972.

The spelling of 4423663 in words is "four million, four hundred twenty-three thousand, six hundred sixty-three".