523123113 has 16 divisors (see below), whose sum is σ = 713237760. Its totient is φ = 340897536.

The previous prime is 523123103. The next prime is 523123121. The reversal of 523123113 is 311321325.

It is not a de Polignac number, because 523123113 - 2⁶ = 523123049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523123113.

It is not an unprimeable number, because it can be changed into a prime (523123103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 140431 + ... + 144107.

It is an arithmetic number, because the mean of its divisors is an integer number (44577360).

Almost surely, 2^523123113 is an apocalyptic number.

It is an amenable number.

523123113 is a deficient number, since it is larger than the sum of its proper divisors (190114647).

523123113 is a wasteful number, since it uses less digits than its factorization.

523123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736.

The product of its digits is 540, while the sum is 21.

The square root of 523123113 is about 22871.8847714831. The cubic root of 523123113 is about 805.7518344119.

Adding to 523123113 its reverse (311321325), we get a palindrome (834444438).

The spelling of 523123113 in words is "five hundred twenty-three million, one hundred twenty-three thousand, one hundred thirteen".