523112424 has 16 divisors (see below), whose sum is σ = 1307781120. Its totient is φ = 174370800.

The previous prime is 523112419. The next prime is 523112441. The reversal of 523112424 is 424211325.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 21796351 = 523112424 / (5 + 2 + 3 + 1 + 1 + 2 + 4 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 523112394 and 523112403.

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 3 ways as a sum of consecutive naturals, for example, 10898152 + ... + 10898199.

It is an arithmetic number, because the mean of its divisors is an integer number (81736320).

Almost surely, 2^523112424 is an apocalyptic number.

It is an amenable number.

523112424 is an abundant number, since it is smaller than the sum of its proper divisors (784668696).

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

523112424 is a wasteful number, since it uses less digits than its factorization.

523112424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21796360 (or 21796356 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 523112424 is about 22871.6510991227. The cubic root of 523112424 is about 805.7463463857.

Adding to 523112424 its reverse (424211325), we get a palindrome (947323749).

The spelling of 523112424 in words is "five hundred twenty-three million, one hundred twelve thousand, four hundred twenty-four".