523144442 has 16 divisors (see below), whose sum is σ = 838350240. Its totient is φ = 244105488.

The previous prime is 523144441. The next prime is 523144469. The reversal of 523144442 is 244441325.

It is not an unprimeable number, because it can be changed into a prime (523144441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100193 + ... + 105284.

It is an arithmetic number, because the mean of its divisors is an integer number (52396890).

Almost surely, 2^523144442 is an apocalyptic number.

523144442 is a deficient number, since it is larger than the sum of its proper divisors (315205798).

523144442 is a wasteful number, since it uses less digits than its factorization.

523144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205565.

The product of its digits is 15360, while the sum is 29.

The square root of 523144442 is about 22872.3510378798. The cubic root of 523144442 is about 805.7627850829.

Adding to 523144442 its reverse (244441325), we get a palindrome (767585767).

The spelling of 523144442 in words is "five hundred twenty-three million, one hundred forty-four thousand, four hundred forty-two".