63423168 has 28 divisors (see below), whose sum is σ = 167807640. Its totient is φ = 21140992.

The previous prime is 63423131. The next prime is 63423169. The reversal of 63423168 is 86132436.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (63423169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164973 + ... + 165356.

It is an arithmetic number, because the mean of its divisors is an integer number (5993130).

Almost surely, 2^63423168 is an apocalyptic number.

It is an amenable number.

63423168 is an abundant number, since it is smaller than the sum of its proper divisors (104384472).

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

63423168 is a wasteful number, since it uses less digits than its factorization.

63423168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330344 (or 330334 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 63423168 is about 7963.8663976739. The cubic root of 63423168 is about 398.7946380717.

The spelling of 63423168 in words is "sixty-three million, four hundred twenty-three thousand, one hundred sixty-eight".