28248104923 has 8 divisors (see below), whose sum is σ = 28854370368. Its totient is φ = 27642057984.

The previous prime is 28248104827. The next prime is 28248104933. The reversal of 28248104923 is 32940184282.

It is a happy number.

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 28248104923 - 2⁹ = 28248104411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28248104923.

It is not an unprimeable number, because it can be changed into a prime (28248104933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221515 + ... + 324907.

It is an arithmetic number, because the mean of its divisors is an integer number (3606796296).

Almost surely, 2^28248104923 is an apocalyptic number.

28248104923 is a deficient number, since it is larger than the sum of its proper divisors (606265445).

28248104923 is a wasteful number, since it uses less digits than its factorization.

28248104923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109253.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 28248104923 in words is "twenty-eight billion, two hundred forty-eight million, one hundred four thousand, nine hundred twenty-three".