523104540 has 96 divisors (see below), whose sum is σ = 1727975424. Its totient is φ = 115706880.

The previous prime is 523104529. The next prime is 523104563. The reversal of 523104540 is 45401325.

523104540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×523104540² = 547276719537223200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 523104540.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 7069 + ... + 33108.

It is an arithmetic number, because the mean of its divisors is an integer number (17999744).

Almost surely, 2^523104540 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 523104540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863987712).

523104540 is an abundant number, since it is smaller than the sum of its proper divisors (1204870884).

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

523104540 is a wasteful number, since it uses less digits than its factorization.

523104540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40227 (or 40225 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 523104540 is about 22871.4787453719. The cubic root of 523104540 is about 805.7422984756.

Adding to 523104540 its reverse (45401325), we get a palindrome (568505865).

The spelling of 523104540 in words is "five hundred twenty-three million, one hundred four thousand, five hundred forty".