63073823 has 4 divisors (see below), whose sum is σ = 63195408. Its totient is φ = 62952240.

The previous prime is 63073771. The next prime is 63073847. The reversal of 63073823 is 32837036.

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 63073823 - 2²⁰ = 62025247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63073823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63073873) 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, 60011 + ... + 61052.

It is an arithmetic number, because the mean of its divisors is an integer number (15798852).

Almost surely, 2^63073823 is an apocalyptic number.

63073823 is a deficient number, since it is larger than the sum of its proper divisors (121585).

63073823 is a wasteful number, since it uses less digits than its factorization.

63073823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121584.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 63073823 is about 7941.9029835424. The cubic root of 63073823 is about 398.0610812544.

The spelling of 63073823 in words is "sixty-three million, seventy-three thousand, eight hundred twenty-three".