82531323 has 24 divisors (see below), whose sum is σ = 138168576. Its totient is φ = 46494000.

The previous prime is 82531321. The next prime is 82531357. The reversal of 82531323 is 32313528.

It is not a de Polignac number, because 82531323 - 2¹ = 82531321 is a prime.

It is a super-3 number, since 3×82531323³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (82531321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4753 + ... + 13698.

It is an arithmetic number, because the mean of its divisors is an integer number (5757024).

Almost surely, 2^82531323 is an apocalyptic number.

82531323 is a deficient number, since it is larger than the sum of its proper divisors (55637253).

82531323 is a wasteful number, since it uses less digits than its factorization.

82531323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18535 (or 18532 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 82531323 is about 9084.6751730593. The cubic root of 82531323 is about 435.3844718191.

The spelling of 82531323 in words is "eighty-two million, five hundred thirty-one thousand, three hundred twenty-three".