5208801237523 has 4 divisors (see below), whose sum is σ = 5609478255808. Its totient is φ = 4808124219240.

The previous prime is 5208801237517. The next prime is 5208801237559. The reversal of 5208801237523 is 3257321088025.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5208801237523 is a prime.

It is a super-2 number, since 2×5208801237523² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5208801237223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200338509123 + ... + 200338509148.

It is an arithmetic number, because the mean of its divisors is an integer number (1402369563952).

Almost surely, 2^{5208801237523} is an apocalyptic number.

5208801237523 is a deficient number, since it is larger than the sum of its proper divisors (400677018285).

5208801237523 is a wasteful number, since it uses less digits than its factorization.

5208801237523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400677018284.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 5208801237523 in words is "five trillion, two hundred eight billion, eight hundred one million, two hundred thirty-seven thousand, five hundred twenty-three".