523136633712 has 160 divisors (see below), whose sum is σ = 1691960279040. Its totient is φ = 135310882560.

The previous prime is 523136633699. The next prime is 523136633749. The reversal of 523136633712 is 217336631325.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 587233 + ... + 1179455.

It is an arithmetic number, because the mean of its divisors is an integer number (10574751744).

Almost surely, 2^523136633712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523136633712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845980139520).

523136633712 is an abundant number, since it is smaller than the sum of its proper divisors (1168823645328).

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

523136633712 is a wasteful number, since it uses less digits than its factorization.

523136633712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592491 (or 592485 counting only the distinct ones).

The product of its digits is 408240, while the sum is 42.

The spelling of 523136633712 in words is "five hundred twenty-three billion, one hundred thirty-six million, six hundred thirty-three thousand, seven hundred twelve".