63471723 has 32 divisors (see below), whose sum is σ = 102359040. Its totient is φ = 34175520.

The previous prime is 63471719. The next prime is 63471739. The reversal of 63471723 is 32717436.

It is not a de Polignac number, because 63471723 - 2² = 63471719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63471703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107836 + ... + 108422.

It is an arithmetic number, because the mean of its divisors is an integer number (3198720).

Almost surely, 2^63471723 is an apocalyptic number.

63471723 is a deficient number, since it is larger than the sum of its proper divisors (38887317).

63471723 is a wasteful number, since it uses less digits than its factorization.

63471723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887.

The product of its digits is 21168, while the sum is 33.

The square root of 63471723 is about 7966.9142709082. The cubic root of 63471723 is about 398.8963807786.

The spelling of 63471723 in words is "sixty-three million, four hundred seventy-one thousand, seven hundred twenty-three".