204465123140423 has 16 divisors (see below), whose sum is σ = 205738384228800. Its totient is φ = 203194158612480.

The previous prime is 204465123140401. The next prime is 204465123140441. The reversal of 204465123140423 is 324041321564402.

It is a cyclic number.

It is not a de Polignac number, because 204465123140423 - 2⁸ = 204465123140167 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 (204465123140623) 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, 871694423 + ... + 871928951.

It is an arithmetic number, because the mean of its divisors is an integer number (12858649014300).

Almost surely, 2^{204465123140423} is an apocalyptic number.

204465123140423 is a deficient number, since it is larger than the sum of its proper divisors (1273261088377).

204465123140423 is a wasteful number, since it uses less digits than its factorization.

204465123140423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239402.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 204465123140423 in words is "two hundred four trillion, four hundred sixty-five billion, one hundred twenty-three million, one hundred forty thousand, four hundred twenty-three".