68385223 has 2 divisors, whose sum is σ = 68385224. Its totient is φ = 68385222.

The previous prime is 68385221. The next prime is 68385241. The reversal of 68385223 is 32258386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68385223 - 2¹ = 68385221 is a prime.

Together with 68385221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68385221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34192611 + 34192612.

It is an arithmetic number, because the mean of its divisors is an integer number (34192612).

Almost surely, 2^68385223 is an apocalyptic number.

68385223 is a deficient number, since it is larger than the sum of its proper divisors (1).

68385223 is an equidigital number, since it uses as much as digits as its factorization.

68385223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 68385223 is about 8269.5358394531. The cubic root of 68385223 is about 408.9348178357.

The spelling of 68385223 in words is "sixty-eight million, three hundred eighty-five thousand, two hundred twenty-three".