204540514350323 has 4 divisors (see below), whose sum is σ = 204540543643968. Its totient is φ = 204540485056680.

The previous prime is 204540514350307. The next prime is 204540514350371. The reversal of 204540514350323 is 323053415045402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 204540514350323 - 2⁴ = 204540514350307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204540514350023) 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, 2582633 + ... + 20389973.

It is an arithmetic number, because the mean of its divisors is an integer number (51135135910992).

Almost surely, 2^{204540514350323} is an apocalyptic number.

204540514350323 is a deficient number, since it is larger than the sum of its proper divisors (29293645).

204540514350323 is a wasteful number, since it uses less digits than its factorization.

204540514350323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29293644.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 204540514350323 its reverse (323053415045402), we get a palindrome (527593929395725).

The spelling of 204540514350323 in words is "two hundred four trillion, five hundred forty billion, five hundred fourteen million, three hundred fifty thousand, three hundred twenty-three".