8523663 has 8 divisors (see below), whose sum is σ = 11404848. Its totient is φ = 5662464.

The previous prime is 8523661. The next prime is 8523679. The reversal of 8523663 is 3663258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8523663 - 2¹ = 8523661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8523661) 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 7 ways as a sum of consecutive naturals, for example, 3970 + ... + 5727.

It is an arithmetic number, because the mean of its divisors is an integer number (1425606).

Almost surely, 2^8523663 is an apocalyptic number.

8523663 is a deficient number, since it is larger than the sum of its proper divisors (2881185).

8523663 is a wasteful number, since it uses less digits than its factorization.

8523663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9993.

The product of its digits is 25920, while the sum is 33.

The square root of 8523663 is about 2919.5312979997. The cubic root of 8523663 is about 204.2719604227.

The spelling of 8523663 in words is "eight million, five hundred twenty-three thousand, six hundred sixty-three".