523454242 has 8 divisors (see below), whose sum is σ = 831368556. Its totient is φ = 246331392.

The previous prime is 523454233. The next prime is 523454291. The reversal of 523454242 is 242454325.

It can be written as a sum of positive squares in 2 ways, for example, as 492884401 + 30569841 = 22201^2 + 5529^2 .

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

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, 7697823 + ... + 7697890.

Almost surely, 2^523454242 is an apocalyptic number.

523454242 is a deficient number, since it is larger than the sum of its proper divisors (307914314).

523454242 is a wasteful number, since it uses less digits than its factorization.

523454242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15395732.

The product of its digits is 38400, while the sum is 31.

The square root of 523454242 is about 22879.1224044979. The cubic root of 523454242 is about 805.9218081186.

The spelling of 523454242 in words is "five hundred twenty-three million, four hundred fifty-four thousand, two hundred forty-two".