28528046023 has 8 divisors (see below), whose sum is σ = 28929308400. Its totient is φ = 28127066688.

The previous prime is 28528046017. The next prime is 28528046039. The reversal of 28528046023 is 32064082582.

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 28528046023 - 2⁵ = 28528045991 is a prime.

It is a super-2 number, since 2×28528046023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28528746023) 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, 136473 + ... + 275101.

It is an arithmetic number, because the mean of its divisors is an integer number (3616163550).

Almost surely, 2^28528046023 is an apocalyptic number.

28528046023 is a deficient number, since it is larger than the sum of its proper divisors (401262377).

28528046023 is a wasteful number, since it uses less digits than its factorization.

28528046023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141521.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 28528046023 in words is "twenty-eight billion, five hundred twenty-eight million, forty-six thousand, twenty-three".