523838899 has 4 divisors (see below), whose sum is σ = 540736960. Its totient is φ = 506940840.

The previous prime is 523838893. The next prime is 523838947. The reversal of 523838899 is 998838325.

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 523838899 - 2³ = 523838891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523838891) 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 3 ways as a sum of consecutive naturals, for example, 8448984 + ... + 8449045.

It is an arithmetic number, because the mean of its divisors is an integer number (135184240).

Almost surely, 2^523838899 is an apocalyptic number.

523838899 is a deficient number, since it is larger than the sum of its proper divisors (16898061).

523838899 is a wasteful number, since it uses less digits than its factorization.

523838899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16898060.

The product of its digits is 3732480, while the sum is 55.

The square root of 523838899 is about 22887.5271490828. The cubic root of 523838899 is about 806.1191686113.

The spelling of 523838899 in words is "five hundred twenty-three million, eight hundred thirty-eight thousand, eight hundred ninety-nine".