68756323 has 4 divisors (see below), whose sum is σ = 70614640. Its totient is φ = 66898008.

The previous prime is 68756309. The next prime is 68756339. The reversal of 68756323 is 32365786.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68756323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68756923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929103 + ... + 929176.

It is an arithmetic number, because the mean of its divisors is an integer number (17653660).

Almost surely, 2^68756323 is an apocalyptic number.

68756323 is a deficient number, since it is larger than the sum of its proper divisors (1858317).

68756323 is a wasteful number, since it uses less digits than its factorization.

68756323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858316.

The product of its digits is 181440, while the sum is 40.

The square root of 68756323 is about 8291.9432583683. The cubic root of 68756323 is about 409.6731938690.

The spelling of 68756323 in words is "sixty-eight million, seven hundred fifty-six thousand, three hundred twenty-three".