63423814 has 4 divisors (see below), whose sum is σ = 95135724. Its totient is φ = 31711906.

The previous prime is 63423797. The next prime is 63423823. The reversal of 63423814 is 41832436.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15855952 + ... + 15855955.

It is an arithmetic number, because the mean of its divisors is an integer number (23783931).

Almost surely, 2^63423814 is an apocalyptic number.

63423814 is a deficient number, since it is larger than the sum of its proper divisors (31711910).

63423814 is a wasteful number, since it uses less digits than its factorization.

63423814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31711909.

The product of its digits is 13824, while the sum is 31.

The square root of 63423814 is about 7963.9069557598. The cubic root of 63423814 is about 398.7959920483.

The spelling of 63423814 in words is "sixty-three million, four hundred twenty-three thousand, eight hundred fourteen".