82028923 has 4 divisors (see below), whose sum is σ = 82874680. Its totient is φ = 81183168.

The previous prime is 82028899. The next prime is 82028941. The reversal of 82028923 is 32982028.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82028923 is a prime.

It is a super-3 number, since 3×82028923³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82028953) 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, 422733 + ... + 422926.

It is an arithmetic number, because the mean of its divisors is an integer number (20718670).

Almost surely, 2^82028923 is an apocalyptic number.

82028923 is a deficient number, since it is larger than the sum of its proper divisors (845757).

82028923 is an equidigital number, since it uses as much as digits as its factorization.

82028923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845756.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 82028923 is about 9056.9820028528. The cubic root of 82028923 is about 434.4992220188.

The spelling of 82028923 in words is "eighty-two million, twenty-eight thousand, nine hundred twenty-three".