63323793 has 72 divisors (see below), whose sum is σ = 109624320. Its totient is φ = 35043840.

The previous prime is 63323773. The next prime is 63323833. The reversal of 63323793 is 39732336.

It is not a de Polignac number, because 63323793 - 2⁸ = 63323537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63323723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 801528 + ... + 801606.

It is an arithmetic number, because the mean of its divisors is an integer number (1522560).

Almost surely, 2^63323793 is an apocalyptic number.

It is an amenable number.

63323793 is a deficient number, since it is larger than the sum of its proper divisors (46300527).

63323793 is a wasteful number, since it uses less digits than its factorization.

63323793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 143 counting only the distinct ones).

The product of its digits is 61236, while the sum is 36.

The square root of 63323793 is about 7957.6248340821. The cubic root of 63323793 is about 398.5862445423.

The spelling of 63323793 in words is "sixty-three million, three hundred twenty-three thousand, seven hundred ninety-three".