86409223 has 2 divisors, whose sum is σ = 86409224. Its totient is φ = 86409222.

The previous prime is 86409209. The next prime is 86409251. The reversal of 86409223 is 32290468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86409223 - 2⁹ = 86408711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86409293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43204611 + 43204612.

It is an arithmetic number, because the mean of its divisors is an integer number (43204612).

Almost surely, 2^86409223 is an apocalyptic number.

86409223 is a deficient number, since it is larger than the sum of its proper divisors (1).

86409223 is an equidigital number, since it uses as much as digits as its factorization.

86409223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 86409223 is about 9295.6561360670. The cubic root of 86409223 is about 442.0995097505.

The spelling of 86409223 in words is "eighty-six million, four hundred nine thousand, two hundred twenty-three".