82321443 has 12 divisors (see below), whose sum is σ = 120538600. Its totient is φ = 54128736.

The previous prime is 82321441. The next prime is 82321501. The reversal of 82321443 is 34412328.

It is not a de Polignac number, because 82321443 - 2¹ = 82321441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82321441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61993 + ... + 63306.

Almost surely, 2^82321443 is an apocalyptic number.

82321443 is a deficient number, since it is larger than the sum of its proper divisors (38217157).

82321443 is a wasteful number, since it uses less digits than its factorization.

82321443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125378 (or 125375 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 82321443 is about 9073.1164987561. The cubic root of 82321443 is about 435.0150926194.

The spelling of 82321443 in words is "eighty-two million, three hundred twenty-one thousand, four hundred forty-three".