523116115 has 4 divisors (see below), whose sum is σ = 627739344. Its totient is φ = 418492888.

The previous prime is 523116079. The next prime is 523116127. The reversal of 523116115 is 511611325.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 523116115 - 2⁷ = 523115987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523116115.

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 3 ways as a sum of consecutive naturals, for example, 52311607 + ... + 52311616.

It is an arithmetic number, because the mean of its divisors is an integer number (156934836).

Almost surely, 2^523116115 is an apocalyptic number.

523116115 is a deficient number, since it is larger than the sum of its proper divisors (104623229).

523116115 is a wasteful number, since it uses less digits than its factorization.

523116115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104623228.

The product of its digits is 900, while the sum is 25.

The square root of 523116115 is about 22871.7317883889. The cubic root of 523116115 is about 805.7482414549.

The spelling of 523116115 in words is "five hundred twenty-three million, one hundred sixteen thousand, one hundred fifteen".