204240413324343 has 16 divisors (see below), whose sum is σ = 297077225421312. Its totient is φ = 123781960104000.

The previous prime is 204240413324333. The next prime is 204240413324357. The reversal of 204240413324343 is 343423314042402.

It is a happy number.

It is not a de Polignac number, because 204240413324343 - 2²⁸ = 204240144888887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204240413324333) 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, 51843363 + ... + 55643643.

It is an arithmetic number, because the mean of its divisors is an integer number (18567326588832).

Almost surely, 2^{204240413324343} is an apocalyptic number.

204240413324343 is a deficient number, since it is larger than the sum of its proper divisors (92836812096969).

204240413324343 is a wasteful number, since it uses less digits than its factorization.

204240413324343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428886.

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 204240413324343 its reverse (343423314042402), we get a palindrome (547663727366745).

The spelling of 204240413324343 in words is "two hundred four trillion, two hundred forty billion, four hundred thirteen million, three hundred twenty-four thousand, three hundred forty-three".