68218369123 has 2 divisors, whose sum is σ = 68218369124. Its totient is φ = 68218369122.

The previous prime is 68218369103. The next prime is 68218369201. The reversal of 68218369123 is 32196381286.

68218369123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68218369123 - 2⁵ = 68218369091 is a prime.

It is not a weakly prime, because it can be changed into another prime (68218369103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34109184561 + 34109184562.

It is an arithmetic number, because the mean of its divisors is an integer number (34109184562).

Almost surely, 2^68218369123 is an apocalyptic number.

68218369123 is a deficient number, since it is larger than the sum of its proper divisors (1).

68218369123 is an equidigital number, since it uses as much as digits as its factorization.

68218369123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The spelling of 68218369123 in words is "sixty-eight billion, two hundred eighteen million, three hundred sixty-nine thousand, one hundred twenty-three".