82187323 has 8 divisors (see below), whose sum is σ = 84630560. Its totient is φ = 79755840.

The previous prime is 82187311. The next prime is 82187327. The reversal of 82187323 is 32378128.

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

It is a cyclic number.

It is not a de Polignac number, because 82187323 - 2⁵ = 82187291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82187327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12418 + ... + 17848.

It is an arithmetic number, because the mean of its divisors is an integer number (10578820).

Almost surely, 2^82187323 is an apocalyptic number.

82187323 is a deficient number, since it is larger than the sum of its proper divisors (2443237).

82187323 is a wasteful number, since it uses less digits than its factorization.

82187323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877.

The product of its digits is 16128, while the sum is 34.

The square root of 82187323 is about 9065.7224201936. The cubic root of 82187323 is about 434.7787186523.

The spelling of 82187323 in words is "eighty-two million, one hundred eighty-seven thousand, three hundred twenty-three".