63423328 has 96 divisors (see below), whose sum is σ = 142720704. Its totient is φ = 27574272.

The previous prime is 63423313. The next prime is 63423331. The reversal of 63423328 is 82332436.

63423328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (20736) is a multiple of the sum of its prime divisors (216).

It is a self number, because there is not a number n which added to its sum of digits gives 63423328.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462876 + ... + 463012.

It is an arithmetic number, because the mean of its divisors is an integer number (1486674).

Almost surely, 2^63423328 is an apocalyptic number.

63423328 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63423328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71360352).

63423328 is an abundant number, since it is smaller than the sum of its proper divisors (79297376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63423328 is a wasteful number, since it uses less digits than its factorization.

63423328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 216 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 63423328 is about 7963.8764430395. The cubic root of 63423328 is about 398.7949734228.

The spelling of 63423328 in words is "sixty-three million, four hundred twenty-three thousand, three hundred twenty-eight".