523533120 has 168 divisors, whose sum is σ = 1827471072. Its totient is φ = 126888960.

The previous prime is 523533113. The next prime is 523533121. The reversal of 523533120 is 21335325.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523533121) 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, 113907 + ... + 118413.

It is an arithmetic number, because the mean of its divisors is an integer number (10877804).

Almost surely, 2^523533120 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 523533120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913735536).

523533120 is an abundant number, since it is smaller than the sum of its proper divisors (1303937952).

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

523533120 is a wasteful number, since it uses less digits than its factorization.

523533120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549 (or 4528 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 523533120 is about 22880.8461382004. The cubic root of 523533120 is about 805.9622868606.

Adding to 523533120 its reverse (21335325), we get a palindrome (544868445).

The spelling of 523533120 in words is "five hundred twenty-three million, five hundred thirty-three thousand, one hundred twenty".