86170423 has 8 divisors (see below), whose sum is σ = 87315840. Its totient is φ = 85029120.

The previous prime is 86170393. The next prime is 86170451. The reversal of 86170423 is 32407168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86170423 - 2⁵ = 86170391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86170463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86458 + ... + 87448.

It is an arithmetic number, because the mean of its divisors is an integer number (10914480).

Almost surely, 2^86170423 is an apocalyptic number.

86170423 is a deficient number, since it is larger than the sum of its proper divisors (1145417).

86170423 is an equidigital number, since it uses as much as digits as its factorization.

86170423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 86170423 is about 9282.8025401815. The cubic root of 86170423 is about 441.6918728386.

The spelling of 86170423 in words is "eighty-six million, one hundred seventy thousand, four hundred twenty-three".