523214240 has 48 divisors (see below), whose sum is σ = 1239357672. Its totient is φ = 208733184.

The previous prime is 523214171. The next prime is 523214257. The reversal of 523214240 is 42412325.

It is a happy number.

523214240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 474716944 + 48497296 = 21788^2 + 6964^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59402 + ... + 67638.

Almost surely, 2^523214240 is an apocalyptic number.

It is an amenable number.

523214240 is an abundant number, since it is smaller than the sum of its proper divisors (716143432).

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

523214240 is a wasteful number, since it uses less digits than its factorization.

523214240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8649 (or 8641 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 523214240 is about 22873.8768030258. The cubic root of 523214240 is about 805.7986184814.

Adding to 523214240 its reverse (42412325), we get a palindrome (565626565).

The spelling of 523214240 in words is "five hundred twenty-three million, two hundred fourteen thousand, two hundred forty".