523843328 has 36 divisors (see below), whose sum is σ = 1060002048. Its totient is φ = 258324480.

The previous prime is 523843303. The next prime is 523843351. The reversal of 523843328 is 823348325.

It is a junction number, because it is equal to n+sod(n) for n = 523843291 and 523843300.

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, 4673 + ... + 32703.

Almost surely, 2^523843328 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 523843328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530001024).

523843328 is an abundant number, since it is smaller than the sum of its proper divisors (536158720).

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

523843328 is an equidigital number, since it uses as much as digits as its factorization.

523843328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28120 (or 28106 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 523843328 is about 22887.6239046346. The cubic root of 523843328 is about 806.1214404877.

The spelling of 523843328 in words is "five hundred twenty-three million, eight hundred forty-three thousand, three hundred twenty-eight".