28683523 has 8 divisors (see below), whose sum is σ = 32370480. Its totient is φ = 25176480.

The previous prime is 28683517. The next prime is 28683541. The reversal of 28683523 is 32538682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28683523 - 2⁵ = 28683491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28683923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44640 + ... + 45277.

It is an arithmetic number, because the mean of its divisors is an integer number (4046310).

Almost surely, 2^28683523 is an apocalyptic number.

28683523 is a deficient number, since it is larger than the sum of its proper divisors (3686957).

28683523 is a wasteful number, since it uses less digits than its factorization.

28683523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89957.

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

The square root of 28683523 is about 5355.7000476128. The cubic root of 28683523 is about 306.1099858094.

The spelling of 28683523 in words is "twenty-eight million, six hundred eighty-three thousand, five hundred twenty-three".