28023488123 has 8 divisors (see below), whose sum is σ = 28076368320. Its totient is φ = 27970652160.

The previous prime is 28023488099. The next prime is 28023488261. The reversal of 28023488123 is 32188432082.

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 28023488123 - 2¹⁶ = 28023422587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28023488723) 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, 1429061 + ... + 1448537.

It is an arithmetic number, because the mean of its divisors is an integer number (3509546040).

Almost surely, 2^28023488123 is an apocalyptic number.

28023488123 is a deficient number, since it is larger than the sum of its proper divisors (52880197).

28023488123 is a wasteful number, since it uses less digits than its factorization.

28023488123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22117.

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 28023488123 in words is "twenty-eight billion, twenty-three million, four hundred eighty-eight thousand, one hundred twenty-three".