86806423 has 4 divisors (see below), whose sum is σ = 94697928. Its totient is φ = 78914920.

The previous prime is 86806409. The next prime is 86806451. The reversal of 86806423 is 32460868.

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 86806423 - 2²¹ = 84709271 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 (86806493) 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, 3945736 + ... + 3945757.

It is an arithmetic number, because the mean of its divisors is an integer number (23674482).

Almost surely, 2^86806423 is an apocalyptic number.

86806423 is a deficient number, since it is larger than the sum of its proper divisors (7891505).

86806423 is a wasteful number, since it uses less digits than its factorization.

86806423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891504.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 86806423 is about 9316.9964580867. The cubic root of 86806423 is about 442.7758786968.

The spelling of 86806423 in words is "eighty-six million, eight hundred six thousand, four hundred twenty-three".