28097206223 has 2 divisors, whose sum is σ = 28097206224. Its totient is φ = 28097206222.

The previous prime is 28097206219. The next prime is 28097206237. The reversal of 28097206223 is 32260279082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28097206223 - 2² = 28097206219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28097256223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14048603111 + 14048603112.

It is an arithmetic number, because the mean of its divisors is an integer number (14048603112).

Almost surely, 2^28097206223 is an apocalyptic number.

28097206223 is a deficient number, since it is larger than the sum of its proper divisors (1).

28097206223 is an equidigital number, since it uses as much as digits as its factorization.

28097206223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 28097206223 in words is "twenty-eight billion, ninety-seven million, two hundred six thousand, two hundred twenty-three".