523205104345205 has 48 divisors (see below), whose sum is σ = 644976190819584. Its totient is φ = 407406949152000.

The previous prime is 523205104345159. The next prime is 523205104345283. The reversal of 523205104345205 is 502543401502325.

It is not a de Polignac number, because 523205104345205 - 2²⁶ = 523205037236341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12550776872 + ... + 12550818558.

It is an arithmetic number, because the mean of its divisors is an integer number (13437003975408).

Almost surely, 2^{523205104345205} is an apocalyptic number.

It is an amenable number.

523205104345205 is a deficient number, since it is larger than the sum of its proper divisors (121771086474379).

523205104345205 is a wasteful number, since it uses less digits than its factorization.

523205104345205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48914 (or 48855 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 523205104345205 in words is "five hundred twenty-three trillion, two hundred five billion, one hundred four million, three hundred forty-five thousand, two hundred five".