63544423 has 16 divisors (see below), whose sum is σ = 70087680. Its totient is φ = 57408736.

The previous prime is 63544421. The next prime is 63544489. The reversal of 63544423 is 32444536.

It is not a de Polignac number, because 63544423 - 2¹ = 63544421 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 (63544421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30336 + ... + 32362.

It is an arithmetic number, because the mean of its divisors is an integer number (4380480).

Almost surely, 2^63544423 is an apocalyptic number.

63544423 is a deficient number, since it is larger than the sum of its proper divisors (6543257).

63544423 is a wasteful number, since it uses less digits than its factorization.

63544423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126.

The product of its digits is 34560, while the sum is 31.

The square root of 63544423 is about 7971.4755848588. The cubic root of 63544423 is about 399.0486202354.

Adding to 63544423 its reverse (32444536), we get a palindrome (95988959).

The spelling of 63544423 in words is "sixty-three million, five hundred forty-four thousand, four hundred twenty-three".