523844781396 has 12 divisors (see below), whose sum is σ = 1222304489952. Its totient is φ = 174614927128.

The previous prime is 523844781371. The next prime is 523844781433. The reversal of 523844781396 is 693187448325.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21826865880 + ... + 21826865903.

It is an arithmetic number, because the mean of its divisors is an integer number (101858707496).

Almost surely, 2^523844781396 is an apocalyptic number.

It is an amenable number.

523844781396 is an abundant number, since it is smaller than the sum of its proper divisors (698459708556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523844781396 is a wasteful number, since it uses less digits than its factorization.

523844781396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43653731790 (or 43653731788 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The spelling of 523844781396 in words is "five hundred twenty-three billion, eight hundred forty-four million, seven hundred eighty-one thousand, three hundred ninety-six".