63423140 has 48 divisors (see below), whose sum is σ = 152953920. Its totient is φ = 21847680.

The previous prime is 63423131. The next prime is 63423169. The reversal of 63423140 is 4132436.

It is a happy number.

63423140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3407 + ... + 11766.

It is an arithmetic number, because the mean of its divisors is an integer number (3186540).

Almost surely, 2^63423140 is an apocalyptic number.

It is an amenable number.

63423140 is an abundant number, since it is smaller than the sum of its proper divisors (89530780).

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

63423140 is a wasteful number, since it uses less digits than its factorization.

63423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15212 (or 15210 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 63423140 is about 7963.8646397337. The cubic root of 63423140 is about 398.7945793852.

Adding to 63423140 its reverse (4132436), we get a palindrome (67555576).

The spelling of 63423140 in words is "sixty-three million, four hundred twenty-three thousand, one hundred forty".