63543223 has 4 divisors (see below), whose sum is σ = 64308888. Its totient is φ = 62777560.

The previous prime is 63543199. The next prime is 63543251. The reversal of 63543223 is 32234536.

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 63543223 - 2⁵ = 63543191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63543191 and 63543200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63547223) 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, 382708 + ... + 382873.

It is an arithmetic number, because the mean of its divisors is an integer number (16077222).

Almost surely, 2^63543223 is an apocalyptic number.

63543223 is a deficient number, since it is larger than the sum of its proper divisors (765665).

63543223 is an equidigital number, since it uses as much as digits as its factorization.

63543223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765664.

The product of its digits is 12960, while the sum is 28.

The square root of 63543223 is about 7971.4003161302. The cubic root of 63543223 is about 399.0461082847.

Adding to 63543223 its reverse (32234536), we get a palindrome (95777759).

The spelling of 63543223 in words is "sixty-three million, five hundred forty-three thousand, two hundred twenty-three".