523341566321 has 24 divisors (see below), whose sum is σ = 626276572416. Its totient is φ = 435829369920.

The previous prime is 523341566317. The next prime is 523341566339. The reversal of 523341566321 is 123665143325.

It is not a de Polignac number, because 523341566321 - 2² = 523341566317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523341562321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513845 + ... + 1144866.

It is an arithmetic number, because the mean of its divisors is an integer number (26094857184).

Almost surely, 2^523341566321 is an apocalyptic number.

It is an amenable number.

523341566321 is a deficient number, since it is larger than the sum of its proper divisors (102935006095).

523341566321 is a wasteful number, since it uses less digits than its factorization.

523341566321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658909 (or 1658902 counting only the distinct ones).

The product of its digits is 388800, while the sum is 41.

The spelling of 523341566321 in words is "five hundred twenty-three billion, three hundred forty-one million, five hundred sixty-six thousand, three hundred twenty-one".