82299823 has 4 divisors (see below), whose sum is σ = 84954688. Its totient is φ = 79644960.

The previous prime is 82299793. The next prime is 82299827. The reversal of 82299823 is 32899228.

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 82299823 - 2²¹ = 80202671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82299823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82299827) 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, 1327386 + ... + 1327447.

It is an arithmetic number, because the mean of its divisors is an integer number (21238672).

Almost surely, 2^82299823 is an apocalyptic number.

82299823 is a deficient number, since it is larger than the sum of its proper divisors (2654865).

82299823 is a wasteful number, since it uses less digits than its factorization.

82299823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654864.

The product of its digits is 124416, while the sum is 43.

The square root of 82299823 is about 9071.9249886670. The cubic root of 82299823 is about 434.9770067558.

The spelling of 82299823 in words is "eighty-two million, two hundred ninety-nine thousand, eight hundred twenty-three".