42086223 has 20 divisors (see below), whose sum is σ = 63675040. Its totient is φ = 27698112.

The previous prime is 42086201. The next prime is 42086257. The reversal of 42086223 is 32268024.

42086223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42086223 - 2⁹ = 42085711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42086123) 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 in 19 ways as a sum of consecutive naturals, for example, 3111 + ... + 9687.

It is an arithmetic number, because the mean of its divisors is an integer number (3183752).

Almost surely, 2^42086223 is an apocalyptic number.

42086223 is a deficient number, since it is larger than the sum of its proper divisors (21588817).

42086223 is an equidigital number, since it uses as much as digits as its factorization.

42086223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668 (or 6659 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42086223 is about 6487.3895366318. The cubic root of 42086223 is about 347.8403697126.

The spelling of 42086223 in words is "forty-two million, eighty-six thousand, two hundred twenty-three".