204005512401343 has 4 divisors (see below), whose sum is σ = 204395580303208. Its totient is φ = 203615444499480.

The previous prime is 204005512401311. The next prime is 204005512401409. The reversal of 204005512401343 is 343104215500402.

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 204005512401343 - 2⁵ = 204005512401311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204005512401299 and 204005512401308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204005512402343) 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, 195033950148 + ... + 195033951193.

It is an arithmetic number, because the mean of its divisors is an integer number (51098895075802).

Almost surely, 2^{204005512401343} is an apocalyptic number.

204005512401343 is a deficient number, since it is larger than the sum of its proper divisors (390067901865).

204005512401343 is an equidigital number, since it uses as much as digits as its factorization.

204005512401343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390067901864.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 204005512401343 its reverse (343104215500402), we get a palindrome (547109727901745).

The spelling of 204005512401343 in words is "two hundred four trillion, five billion, five hundred twelve million, four hundred one thousand, three hundred forty-three".