68123338 has 8 divisors (see below), whose sum is σ = 104113188. Its totient is φ = 33418944.

The previous prime is 68123323. The next prime is 68123339. The reversal of 68123338 is 83332186.

It can be written as a sum of positive squares in 2 ways, for example, as 62520649 + 5602689 = 7907^2 + 2367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68123339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321231 + ... + 321442.

Almost surely, 2^68123338 is an apocalyptic number.

68123338 is a deficient number, since it is larger than the sum of its proper divisors (35989850).

68123338 is a wasteful number, since it uses less digits than its factorization.

68123338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642728.

The product of its digits is 20736, while the sum is 34.

The square root of 68123338 is about 8253.6863279386. The cubic root of 68123338 is about 408.4121372087.

The spelling of 68123338 in words is "sixty-eight million, one hundred twenty-three thousand, three hundred thirty-eight".