17808322423 has 2 divisors, whose sum is σ = 17808322424. Its totient is φ = 17808322422.

The previous prime is 17808322421. The next prime is 17808322459. The reversal of 17808322423 is 32422380871.

It is a weak prime.

It is an emirp because it is prime and its reverse (32422380871) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17808322423 - 2¹ = 17808322421 is a prime.

Together with 17808322421, 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 (17808322421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8904161211 + 8904161212.

It is an arithmetic number, because the mean of its divisors is an integer number (8904161212).

Almost surely, 2^17808322423 is an apocalyptic number.

17808322423 is a deficient number, since it is larger than the sum of its proper divisors (1).

17808322423 is an equidigital number, since it uses as much as digits as its factorization.

17808322423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 17808322423 in words is "seventeen billion, eight hundred eight million, three hundred twenty-two thousand, four hundred twenty-three".