63788723 has 4 divisors (see below), whose sum is σ = 63811320. Its totient is φ = 63766128.

The previous prime is 63788693. The next prime is 63788749. The reversal of 63788723 is 32788736.

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

It is a cyclic number.

It is not a de Polignac number, because 63788723 - 2⁸ = 63788467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63788423) 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, 6338 + ... + 12951.

It is an arithmetic number, because the mean of its divisors is an integer number (15952830).

Almost surely, 2^63788723 is an apocalyptic number.

63788723 is a deficient number, since it is larger than the sum of its proper divisors (22597).

63788723 is a wasteful number, since it uses less digits than its factorization.

63788723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22596.

The product of its digits is 338688, while the sum is 44.

The square root of 63788723 is about 7986.7842715326. The cubic root of 63788723 is about 399.5593543401.

The spelling of 63788723 in words is "sixty-three million, seven hundred eighty-eight thousand, seven hundred twenty-three".