63828523 has 16 divisors (see below), whose sum is σ = 74190816. Its totient is φ = 54269440.

The previous prime is 63828521. The next prime is 63828529. The reversal of 63828523 is 32582836.

It is not a de Polignac number, because 63828523 - 2¹ = 63828521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63828521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31365 + ... + 33337.

It is an arithmetic number, because the mean of its divisors is an integer number (4636926).

Almost surely, 2^63828523 is an apocalyptic number.

63828523 is a deficient number, since it is larger than the sum of its proper divisors (10362293).

63828523 is a wasteful number, since it uses less digits than its factorization.

63828523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174.

The product of its digits is 69120, while the sum is 37.

The square root of 63828523 is about 7989.2754990675. The cubic root of 63828523 is about 399.6424367165.

It can be divided in two parts, 638 and 28523, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 63828523 in words is "sixty-three million, eight hundred twenty-eight thousand, five hundred twenty-three".