82312443 has 10 divisors (see below), whose sum is σ = 122960684. Its totient is φ = 54874908.

The previous prime is 82312441. The next prime is 82312459. The reversal of 82312443 is 34421328.

It is not a de Polignac number, because 82312443 - 2¹ = 82312441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82312441) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 508021 + ... + 508182.

Almost surely, 2^82312443 is an apocalyptic number.

82312443 is a deficient number, since it is larger than the sum of its proper divisors (40648241).

82312443 is a wasteful number, since it uses less digits than its factorization.

82312443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016215 (or 1016206 counting only the distinct ones).

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

The square root of 82312443 is about 9072.6205144930. The cubic root of 82312443 is about 434.9992389999. Note that the first 3 decimals are identical.

The spelling of 82312443 in words is "eighty-two million, three hundred twelve thousand, four hundred forty-three".