8205423 has 8 divisors (see below), whose sum is σ = 11104128. Its totient is φ = 5388504.

The previous prime is 8205409. The next prime is 8205427. The reversal of 8205423 is 3245028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8205423 - 2⁵ = 8205391 is a prime.

8205423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8205393 and 8205402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8205427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20211 + ... + 20612.

It is an arithmetic number, because the mean of its divisors is an integer number (1388016).

Almost surely, 2^8205423 is an apocalyptic number.

8205423 is a deficient number, since it is larger than the sum of its proper divisors (2898705).

8205423 is a wasteful number, since it uses less digits than its factorization.

8205423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40893.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 8205423 is about 2864.5109530250. The cubic root of 8205423 is about 201.6974115486.

The spelling of 8205423 in words is "eight million, two hundred five thousand, four hundred twenty-three".