86188423 has 4 divisors (see below), whose sum is σ = 86867200. Its totient is φ = 85509648.

The previous prime is 86188411. The next prime is 86188471. The reversal of 86188423 is 32488168.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86188423 - 2²⁵ = 52633991 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 (86188723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339198 + ... + 339451.

It is an arithmetic number, because the mean of its divisors is an integer number (21716800).

Almost surely, 2^86188423 is an apocalyptic number.

86188423 is a deficient number, since it is larger than the sum of its proper divisors (678777).

86188423 is a wasteful number, since it uses less digits than its factorization.

86188423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678776.

The product of its digits is 73728, while the sum is 40.

The square root of 86188423 is about 9283.7720243444. The cubic root of 86188423 is about 441.7226254639.

The spelling of 86188423 in words is "eighty-six million, one hundred eighty-eight thousand, four hundred twenty-three".