204323335304413 has 16 divisors (see below), whose sum is σ = 232985915806896. Its totient is φ = 177510273131520.

The previous prime is 204323335304383. The next prime is 204323335304437. The reversal of 204323335304413 is 314403533323402.

It can be written as a sum of positive squares in 8 ways, for example, as 2723150138809 + 201600185165604 = 1650197^2 + 14198598^2 .

It is a cyclic number.

It is not a de Polignac number, because 204323335304413 - 2²⁵ = 204323301749981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204323335304453) 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, 24878983 + ... + 32056363.

It is an arithmetic number, because the mean of its divisors is an integer number (14561619737931).

Almost surely, 2^{204323335304413} is an apocalyptic number.

It is an amenable number.

204323335304413 is a deficient number, since it is larger than the sum of its proper divisors (28662580502483).

204323335304413 is a wasteful number, since it uses less digits than its factorization.

204323335304413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7306224.

The product of its (nonzero) digits is 933120, while the sum is 40.

Adding to 204323335304413 its reverse (314403533323402), we get a palindrome (518726868627815).

The spelling of 204323335304413 in words is "two hundred four trillion, three hundred twenty-three billion, three hundred thirty-five million, three hundred four thousand, four hundred thirteen".