523797240 has 128 divisors (see below), whose sum is σ = 1610611200. Its totient is φ = 136235520.

The previous prime is 523797229. The next prime is 523797247. The reversal of 523797240 is 42797325.

523797240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523797247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1192941 + ... + 1193379.

It is an arithmetic number, because the mean of its divisors is an integer number (12582900).

Almost surely, 2^523797240 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 523797240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805305600).

523797240 is an abundant number, since it is smaller than the sum of its proper divisors (1086813960).

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

523797240 is a wasteful number, since it uses less digits than its factorization.

523797240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 523797240 is about 22886.6170501453. The cubic root of 523797240 is about 806.0977988042.

The spelling of 523797240 in words is "five hundred twenty-three million, seven hundred ninety-seven thousand, two hundred forty".