28330023283 has 4 divisors (see below), whose sum is σ = 29821077160. Its totient is φ = 26838969408.

The previous prime is 28330023277. The next prime is 28330023299. The reversal of 28330023283 is 38232003382.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28330023283 - 2³³ = 19740088691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28330023233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745526910 + ... + 745526947.

It is an arithmetic number, because the mean of its divisors is an integer number (7455269290).

Almost surely, 2^28330023283 is an apocalyptic number.

28330023283 is a deficient number, since it is larger than the sum of its proper divisors (1491053877).

28330023283 is a wasteful number, since it uses less digits than its factorization.

28330023283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491053876.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 28330023283 in words is "twenty-eight billion, three hundred thirty million, twenty-three thousand, two hundred eighty-three".