523235328 has 312 divisors, whose sum is σ = 1792846080. Its totient is φ = 134184960.

The previous prime is 523235327. The next prime is 523235359. The reversal of 523235328 is 823532325.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523235327) 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, 6623193 + ... + 6623271.

Almost surely, 2^523235328 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 523235328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896423040).

523235328 is an abundant number, since it is smaller than the sum of its proper divisors (1269610752).

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

523235328 is a wasteful number, since it uses less digits than its factorization.

523235328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 102 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 523235328 is about 22874.3377609058. The cubic root of 523235328 is about 805.8094441634.

The spelling of 523235328 in words is "five hundred twenty-three million, two hundred thirty-five thousand, three hundred twenty-eight".