68120323 has 4 divisors (see below), whose sum is σ = 68300440. Its totient is φ = 67940208.

The previous prime is 68120303. The next prime is 68120329. The reversal of 68120323 is 32302186.

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

It is a cyclic number.

It is not a de Polignac number, because 68120323 - 2²⁵ = 34565891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68120329) 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, 89490 + ... + 90247.

It is an arithmetic number, because the mean of its divisors is an integer number (17075110).

Almost surely, 2^68120323 is an apocalyptic number.

68120323 is a deficient number, since it is larger than the sum of its proper divisors (180117).

68120323 is a wasteful number, since it uses less digits than its factorization.

68120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180116.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 68120323 is about 8253.5036802560. The cubic root of 68120323 is about 408.4061119571.

The spelling of 68120323 in words is "sixty-eight million, one hundred twenty thousand, three hundred twenty-three".