8423563 has 2 divisors, whose sum is σ = 8423564. Its totient is φ = 8423562.

The previous prime is 8423549. The next prime is 8423603. The reversal of 8423563 is 3653248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8423563 - 2¹⁷ = 8292491 is a prime.

It is a super-2 number, since 2×8423563² = 141912827229938, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8³ + 4¹¹ + 2²¹ + 3³ + 5⁹ + 6⁴ + 3¹¹ .

It is not a weakly prime, because it can be changed into another prime (8423263) 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 as a sum of consecutive naturals, namely, 4211781 + 4211782.

It is an arithmetic number, because the mean of its divisors is an integer number (4211782).

Almost surely, 2^8423563 is an apocalyptic number.

8423563 is a deficient number, since it is larger than the sum of its proper divisors (1).

8423563 is an equidigital number, since it uses as much as digits as its factorization.

8423563 is an odious number, because the sum of its binary digits is odd.

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

The square root of 8423563 is about 2902.3375062180. The cubic root of 8423563 is about 203.4691680979.

The spelling of 8423563 in words is "eight million, four hundred twenty-three thousand, five hundred sixty-three".