28343337223 has 2 divisors, whose sum is σ = 28343337224. Its totient is φ = 28343337222.

The previous prime is 28343337221. The next prime is 28343337247. The reversal of 28343337223 is 32273334382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28343337223 - 2¹ = 28343337221 is a prime.

Together with 28343337221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28343337221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14171668611 + 14171668612.

It is an arithmetic number, because the mean of its divisors is an integer number (14171668612).

Almost surely, 2^28343337223 is an apocalyptic number.

28343337223 is a deficient number, since it is larger than the sum of its proper divisors (1).

28343337223 is an equidigital number, since it uses as much as digits as its factorization.

28343337223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 40.

The spelling of 28343337223 in words is "twenty-eight billion, three hundred forty-three million, three hundred thirty-seven thousand, two hundred twenty-three".