68775267123 has 12 divisors (see below), whose sum is σ = 99344885640. Its totient is φ = 45848870496.

The previous prime is 68775267091. The next prime is 68775267163. The reversal of 68775267123 is 32176257786.

It is a happy number.

It is not a de Polignac number, because 68775267123 - 2⁵ = 68775267091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68775267123.

It is not an unprimeable number, because it can be changed into a prime (68775267163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308208 + ... + 482226.

It is an arithmetic number, because the mean of its divisors is an integer number (8278740470).

Almost surely, 2^68775267123 is an apocalyptic number.

68775267123 is a deficient number, since it is larger than the sum of its proper divisors (30569618517).

68775267123 is a wasteful number, since it uses less digits than its factorization.

68775267123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217938 (or 217935 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The spelling of 68775267123 in words is "sixty-eight billion, seven hundred seventy-five million, two hundred sixty-seven thousand, one hundred twenty-three".