86631323 has 4 divisors (see below), whose sum is σ = 89618640. Its totient is φ = 83644008.

The previous prime is 86631313. The next prime is 86631353. The reversal of 86631323 is 32313668.

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 86631323 - 2²⁴ = 69854107 is a prime.

It is a super-2 number, since 2×86631323² = 15009972249460658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86631323.

It is not an unprimeable number, because it can be changed into a prime (86631313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493615 + ... + 1493672.

It is an arithmetic number, because the mean of its divisors is an integer number (22404660).

Almost surely, 2^86631323 is an apocalyptic number.

86631323 is a deficient number, since it is larger than the sum of its proper divisors (2987317).

86631323 is a wasteful number, since it uses less digits than its factorization.

86631323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987316.

The product of its digits is 15552, while the sum is 32.

The square root of 86631323 is about 9307.5949095349. The cubic root of 86631323 is about 442.4779658557.

The spelling of 86631323 in words is "eighty-six million, six hundred thirty-one thousand, three hundred twenty-three".