68340442223 has 8 divisors (see below), whose sum is σ = 70411734288. Its totient is φ = 66280953024.

The previous prime is 68340442199. The next prime is 68340442229. The reversal of 68340442223 is 32224404386.

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

It is a cyclic number.

It is not a de Polignac number, because 68340442223 - 2¹⁸ = 68340180079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68340442229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2938961 + ... + 2962122.

It is an arithmetic number, because the mean of its divisors is an integer number (8801466786).

Almost surely, 2^68340442223 is an apocalyptic number.

68340442223 is a deficient number, since it is larger than the sum of its proper divisors (2071292065).

68340442223 is a wasteful number, since it uses less digits than its factorization.

68340442223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901433.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 68340442223 in words is "sixty-eight billion, three hundred forty million, four hundred forty-two thousand, two hundred twenty-three".