20041323 has 4 divisors (see below), whose sum is σ = 26721768. Its totient is φ = 13360880.

The previous prime is 20041279. The next prime is 20041327. The reversal of 20041323 is 32314002.

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 20041323 - 2¹⁷ = 19910251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20041327) 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, 3340218 + ... + 3340223.

It is an arithmetic number, because the mean of its divisors is an integer number (6680442).

Almost surely, 2^20041323 is an apocalyptic number.

20041323 is a deficient number, since it is larger than the sum of its proper divisors (6680445).

20041323 is an equidigital number, since it uses as much as digits as its factorization.

20041323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680444.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20041323 is about 4476.7536228834. The cubic root of 20041323 is about 271.6285795192.

Adding to 20041323 its reverse (32314002), we get a palindrome (52355325).

The spelling of 20041323 in words is "twenty million, forty-one thousand, three hundred twenty-three".