68589223 has 2 divisors, whose sum is σ = 68589224. Its totient is φ = 68589222.

The previous prime is 68589167. The next prime is 68589229. The reversal of 68589223 is 32298586.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68589223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68589223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68589229) 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 as a sum of consecutive naturals, namely, 34294611 + 34294612.

It is an arithmetic number, because the mean of its divisors is an integer number (34294612).

Almost surely, 2^68589223 is an apocalyptic number.

68589223 is a deficient number, since it is larger than the sum of its proper divisors (1).

68589223 is an equidigital number, since it uses as much as digits as its factorization.

68589223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 68589223 is about 8281.8610831141. The cubic root of 68589223 is about 409.3410453978.

The spelling of 68589223 in words is "sixty-eight million, five hundred eighty-nine thousand, two hundred twenty-three".