8208318764423 has 2 divisors, whose sum is σ = 8208318764424. Its totient is φ = 8208318764422.

The previous prime is 8208318764419. The next prime is 8208318764479. The reversal of 8208318764423 is 3244678138028.

It is an a-pointer prime, because the next prime (8208318764479) can be obtained adding 8208318764423 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8208318764423 - 2² = 8208318764419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8208318764123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4104159382211 + 4104159382212.

It is an arithmetic number, because the mean of its divisors is an integer number (4104159382212).

Almost surely, 2^{8208318764423} is an apocalyptic number.

8208318764423 is a deficient number, since it is larger than the sum of its proper divisors (1).

8208318764423 is an equidigital number, since it uses as much as digits as its factorization.

8208318764423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12386304, while the sum is 56.

The spelling of 8208318764423 in words is "eight trillion, two hundred eight billion, three hundred eighteen million, seven hundred sixty-four thousand, four hundred twenty-three".