68934042323 has 4 divisors (see below), whose sum is σ = 69081653160. Its totient is φ = 68786431488.

The previous prime is 68934042313. The next prime is 68934042343. The reversal of 68934042323 is 32324043986.

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 68934042323 - 2¹⁰ = 68934041299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68934042313) 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, 73804718 + ... + 73805651.

It is an arithmetic number, because the mean of its divisors is an integer number (17270413290).

Almost surely, 2^68934042323 is an apocalyptic number.

68934042323 is a deficient number, since it is larger than the sum of its proper divisors (147610837).

68934042323 is a wasteful number, since it uses less digits than its factorization.

68934042323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147610836.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 68934042323 in words is "sixty-eight billion, nine hundred thirty-four million, forty-two thousand, three hundred twenty-three".