86523 has 8 divisors (see below), whose sum is σ = 116736. Its totient is φ = 57000.

The previous prime is 86509. The next prime is 86531. The reversal of 86523 is 32568.

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

It is not a de Polignac number, because 86523 - 2⁵ = 86491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86493 and 86502.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 86523.

It is not an unprimeable number, because it can be changed into a prime (86533) 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 7 ways as a sum of consecutive naturals, for example, 358 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (14592).

2⁸⁶⁵²³ is an apocalyptic number.

86523 is a deficient number, since it is larger than the sum of its proper divisors (30213).

86523 is a wasteful number, since it uses less digits than its factorization.

86523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its digits is 1440, while the sum is 24.

The square root of 86523 is about 294.1479219712. The cubic root of 86523 is about 44.2293465492.

It can be divided in two parts, 865 and 23, that added together give a palindrome (888).

The spelling of 86523 in words is "eighty-six thousand, five hundred twenty-three".