20841323 has 8 divisors (see below), whose sum is σ = 21628992. Its totient is φ = 20065536.

The previous prime is 20841319. The next prime is 20841341. The reversal of 20841323 is 32314802.

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

It is a cyclic number.

It is not a de Polignac number, because 20841323 - 2² = 20841319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20841523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (2703624).

Almost surely, 2^20841323 is an apocalyptic number.

20841323 is a deficient number, since it is larger than the sum of its proper divisors (787669).

20841323 is an equidigital number, since it uses as much as digits as its factorization.

20841323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20841323 is about 4565.2297861115. The cubic root of 20841323 is about 275.1957746430.

The spelling of 20841323 in words is "twenty million, eight hundred forty-one thousand, three hundred twenty-three".