28340025823 has 2 divisors, whose sum is σ = 28340025824. Its totient is φ = 28340025822.

The previous prime is 28340025787. The next prime is 28340025841. The reversal of 28340025823 is 32852004382.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28340025823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28340025853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14170012911 + 14170012912.

It is an arithmetic number, because the mean of its divisors is an integer number (14170012912).

Almost surely, 2^28340025823 is an apocalyptic number.

28340025823 is a deficient number, since it is larger than the sum of its proper divisors (1).

28340025823 is an equidigital number, since it uses as much as digits as its factorization.

28340025823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 28340025823 in words is "twenty-eight billion, three hundred forty million, twenty-five thousand, eight hundred twenty-three".