523573001328 has 80 divisors (see below), whose sum is σ = 1519937717760. Its totient is φ = 154095059712.

The previous prime is 523573001327. The next prime is 523573001401. The reversal of 523573001328 is 823100375325.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523573001321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18226068 + ... + 18254771.

It is an arithmetic number, because the mean of its divisors is an integer number (18999221472).

Almost surely, 2^523573001328 is an apocalyptic number.

It is an amenable number.

523573001328 is an abundant number, since it is smaller than the sum of its proper divisors (996364716432).

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

523573001328 is a wasteful number, since it uses less digits than its factorization.

523573001328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36480886 (or 36480880 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 523573001328 in words is "five hundred twenty-three billion, five hundred seventy-three million, one thousand, three hundred twenty-eight".