204010311323 has 16 divisors (see below), whose sum is σ = 251136371136. Its totient is φ = 161384693760.

The previous prime is 204010311311. The next prime is 204010311347. The reversal of 204010311323 is 323113010402.

It is a cyclic number.

It is not a de Polignac number, because 204010311323 - 2¹⁸ = 204010049179 is a prime.

It is a super-2 number, since 2×204010311323² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204010311295 and 204010311304.

It is not an unprimeable number, because it can be changed into a prime (204010311623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289115 + ... + 701147.

It is an arithmetic number, because the mean of its divisors is an integer number (15696023196).

Almost surely, 2^204010311323 is an apocalyptic number.

204010311323 is a deficient number, since it is larger than the sum of its proper divisors (47126059813).

204010311323 is a wasteful number, since it uses less digits than its factorization.

204010311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417494.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 204010311323 its reverse (323113010402), we get a palindrome (527123321725).

The spelling of 204010311323 in words is "two hundred four billion, ten million, three hundred eleven thousand, three hundred twenty-three".