28568343103 has 4 divisors (see below), whose sum is σ = 28578954168. Its totient is φ = 28557732040.

The previous prime is 28568343061. The next prime is 28568343113. The reversal of 28568343103 is 30134386582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30134386582 = 2 ⋅15067193291.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28568343103 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 28568343103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28568343113) 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, 5301493 + ... + 5306878.

It is an arithmetic number, because the mean of its divisors is an integer number (7144738542).

Almost surely, 2^28568343103 is an apocalyptic number.

28568343103 is a deficient number, since it is larger than the sum of its proper divisors (10611065).

28568343103 is a wasteful number, since it uses less digits than its factorization.

28568343103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10611064.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 28568343103 in words is "twenty-eight billion, five hundred sixty-eight million, three hundred forty-three thousand, one hundred three".