82164323 has 4 divisors (see below), whose sum is σ = 82315080. Its totient is φ = 82013568.

The previous prime is 82164317. The next prime is 82164343. The reversal of 82164323 is 32346128.

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 82164323 - 2⁶ = 82164259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82164343) 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, 74558 + ... + 75651.

It is an arithmetic number, because the mean of its divisors is an integer number (20578770).

Almost surely, 2^82164323 is an apocalyptic number.

82164323 is a deficient number, since it is larger than the sum of its proper divisors (150757).

82164323 is a wasteful number, since it uses less digits than its factorization.

82164323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150756.

The product of its digits is 6912, while the sum is 29.

The square root of 82164323 is about 9064.4538169710. The cubic root of 82164323 is about 434.7381574760.

The spelling of 82164323 in words is "eighty-two million, one hundred sixty-four thousand, three hundred twenty-three".