86943223 has 2 divisors, whose sum is σ = 86943224. Its totient is φ = 86943222.

The previous prime is 86943203. The next prime is 86943257. The reversal of 86943223 is 32234968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86943223 - 2⁵ = 86943191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86943203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43471611 + 43471612.

It is an arithmetic number, because the mean of its divisors is an integer number (43471612).

Almost surely, 2^86943223 is an apocalyptic number.

86943223 is a deficient number, since it is larger than the sum of its proper divisors (1).

86943223 is an equidigital number, since it uses as much as digits as its factorization.

86943223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 86943223 is about 9324.3349896923. The cubic root of 86943223 is about 443.0083497790.

The spelling of 86943223 in words is "eighty-six million, nine hundred forty-three thousand, two hundred twenty-three".