204013323 has 24 divisors (see below), whose sum is σ = 312119808. Its totient is φ = 133107624.

The previous prime is 204013297. The next prime is 204013331. The reversal of 204013323 is 323310402.

It is not a de Polignac number, because 204013323 - 2⁵ = 204013291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204013296 and 204013305.

It is not an unprimeable number, because it can be changed into a prime (204013343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2490 + ... + 20352.

It is an arithmetic number, because the mean of its divisors is an integer number (13004992).

Almost surely, 2^204013323 is an apocalyptic number.

204013323 is a deficient number, since it is larger than the sum of its proper divisors (108106485).

204013323 is an equidigital number, since it uses as much as digits as its factorization.

204013323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17925 (or 17913 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 204013323 is about 14283.3232477600. The cubic root of 204013323 is about 588.6893466666.

Adding to 204013323 its reverse (323310402), we get a palindrome (527323725).

The spelling of 204013323 in words is "two hundred four million, thirteen thousand, three hundred twenty-three".