63394723 has 4 divisors (see below), whose sum is σ = 72451120. Its totient is φ = 54338328.

The previous prime is 63394711. The next prime is 63394729. The reversal of 63394723 is 32749336.

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 63394723 - 2⁵ = 63394691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63394729) 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, 4528188 + ... + 4528201.

It is an arithmetic number, because the mean of its divisors is an integer number (18112780).

Almost surely, 2^63394723 is an apocalyptic number.

63394723 is a deficient number, since it is larger than the sum of its proper divisors (9056397).

63394723 is an equidigital number, since it uses as much as digits as its factorization.

63394723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056396.

The product of its digits is 81648, while the sum is 37.

The square root of 63394723 is about 7962.0803186102. The cubic root of 63394723 is about 398.7350099677.

The spelling of 63394723 in words is "sixty-three million, three hundred ninety-four thousand, seven hundred twenty-three".