523224142 has 16 divisors (see below), whose sum is σ = 909244512. Its totient is φ = 221166720.

The previous prime is 523224139. The next prime is 523224151. The reversal of 523224142 is 241422325.

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 7 ways as a sum of consecutive naturals, for example, 254959 + ... + 257002.

It is an arithmetic number, because the mean of its divisors is an integer number (56827782).

Almost surely, 2^523224142 is an apocalyptic number.

523224142 is a deficient number, since it is larger than the sum of its proper divisors (386020370).

523224142 is a wasteful number, since it uses less digits than its factorization.

523224142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512043.

The product of its digits is 3840, while the sum is 25.

The square root of 523224142 is about 22874.0932497881. The cubic root of 523224142 is about 805.8037017831.

Adding to 523224142 its reverse (241422325), we get a palindrome (764646467).

The spelling of 523224142 in words is "five hundred twenty-three million, two hundred twenty-four thousand, one hundred forty-two".