68208123 has 4 divisors (see below), whose sum is σ = 90944168. Its totient is φ = 45472080.

The previous prime is 68208103. The next prime is 68208149. The reversal of 68208123 is 32180286.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68208123 - 2¹³ = 68199931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68208103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11368018 + ... + 11368023.

It is an arithmetic number, because the mean of its divisors is an integer number (22736042).

Almost surely, 2^68208123 is an apocalyptic number.

68208123 is a deficient number, since it is larger than the sum of its proper divisors (22736045).

68208123 is a wasteful number, since it uses less digits than its factorization.

68208123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22736044.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 68208123 is about 8258.8209206884. The cubic root of 68208123 is about 408.5815009370.

The spelling of 68208123 in words is "sixty-eight million, two hundred eight thousand, one hundred twenty-three".