68123987806283 has 2 divisors, whose sum is σ = 68123987806284. Its totient is φ = 68123987806282.

The previous prime is 68123987806279. The next prime is 68123987806333. The reversal of 68123987806283 is 38260878932186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68123987806283 - 2² = 68123987806279 is a prime.

It is not a weakly prime, because it can be changed into another prime (68123987806183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34061993903141 + 34061993903142.

It is an arithmetic number, because the mean of its divisors is an integer number (34061993903142).

Almost surely, 2^{68123987806283} is an apocalyptic number.

68123987806283 is a deficient number, since it is larger than the sum of its proper divisors (1).

68123987806283 is an equidigital number, since it uses as much as digits as its factorization.

68123987806283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 334430208, while the sum is 71.

The spelling of 68123987806283 in words is "sixty-eight trillion, one hundred twenty-three billion, nine hundred eighty-seven million, eight hundred six thousand, two hundred eighty-three".