63423831343268 has 24 divisors (see below), whose sum is σ = 121083349868544. Its totient is φ = 28828659477600.

The previous prime is 63423831343237. The next prime is 63423831343273. The reversal of 63423831343268 is 86234313832436.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5236388 + ... + 12420443.

It is an arithmetic number, because the mean of its divisors is an integer number (5045139577856).

Almost surely, 2^{63423831343268} is an apocalyptic number.

It is an amenable number.

63423831343268 is a deficient number, since it is larger than the sum of its proper divisors (57659518525276).

63423831343268 is a wasteful number, since it uses less digits than its factorization.

63423831343268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17738483 (or 17738481 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 56.

The spelling of 63423831343268 in words is "sixty-three trillion, four hundred twenty-three billion, eight hundred thirty-one million, three hundred forty-three thousand, two hundred sixty-eight".