28522137820023 has 6 divisors (see below), whose sum is σ = 41198643517824. Its totient is φ = 19014758546676.

The previous prime is 28522137820019. The next prime is 28522137820063. The reversal of 28522137820023 is 32002873122582.

28522137820023 is a `hidden beast` number, since 2 + 8 + 52 + 2 + 1 + 378 + 200 + 23 = 666.

It is not a de Polignac number, because 28522137820023 - 2² = 28522137820019 is a prime.

It is a super-3 number, since 3×28522137820023³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28522137820003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1584563212215 + ... + 1584563212232.

It is an arithmetic number, because the mean of its divisors is an integer number (6866440586304).

Almost surely, 2^{28522137820023} is an apocalyptic number.

28522137820023 is a deficient number, since it is larger than the sum of its proper divisors (12676505697801).

28522137820023 is a wasteful number, since it uses less digits than its factorization.

28522137820023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169126424453 (or 3169126424450 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 28522137820023 in words is "twenty-eight trillion, five hundred twenty-two billion, one hundred thirty-seven million, eight hundred twenty thousand, twenty-three".