523142044 has 12 divisors (see below), whose sum is σ = 915861744. Its totient is φ = 261467264.

The previous prime is 523141961. The next prime is 523142051. The reversal of 523142044 is 440241325.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13984 + ... + 35239.

It is an arithmetic number, because the mean of its divisors is an integer number (76321812).

Almost surely, 2^523142044 is an apocalyptic number.

It is an amenable number.

523142044 is a deficient number, since it is larger than the sum of its proper divisors (392719700).

523142044 is a wasteful number, since it uses less digits than its factorization.

523142044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51884 (or 51882 counting only the distinct ones).

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

The square root of 523142044 is about 22872.2986164487. The cubic root of 523142044 is about 805.7615539238.

Adding to 523142044 its reverse (440241325), we get a palindrome (963383369).

The spelling of 523142044 in words is "five hundred twenty-three million, one hundred forty-two thousand, forty-four".