523612042 has 8 divisors (see below), whose sum is σ = 785801376. Its totient is φ = 261678252.

The previous prime is 523612039. The next prime is 523612073. The reversal of 523612042 is 240216325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 523611998 and 523612016.

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, 58678 + ... + 67009.

It is an arithmetic number, because the mean of its divisors is an integer number (98225172).

Almost surely, 2^523612042 is an apocalyptic number.

523612042 is a deficient number, since it is larger than the sum of its proper divisors (262189334).

523612042 is a wasteful number, since it uses less digits than its factorization.

523612042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127772.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 523612042 is about 22882.5707034852. The cubic root of 523612042 is about 806.0027841136.

Adding to 523612042 its reverse (240216325), we get a palindrome (763828367).

The spelling of 523612042 in words is "five hundred twenty-three million, six hundred twelve thousand, forty-two".