28300071823 has 2 divisors, whose sum is σ = 28300071824. Its totient is φ = 28300071822.

The previous prime is 28300071817. The next prime is 28300071857. The reversal of 28300071823 is 32817000382.

It is an a-pointer prime, because the next prime (28300071857) can be obtained adding 28300071823 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28300071823 - 2⁹ = 28300071311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28300077823) 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 as a sum of consecutive naturals, namely, 14150035911 + 14150035912.

It is an arithmetic number, because the mean of its divisors is an integer number (14150035912).

Almost surely, 2^28300071823 is an apocalyptic number.

28300071823 is a deficient number, since it is larger than the sum of its proper divisors (1).

28300071823 is an equidigital number, since it uses as much as digits as its factorization.

28300071823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 28300071823 in words is "twenty-eight billion, three hundred million, seventy-one thousand, eight hundred twenty-three".