5120557830823 has 4 divisors (see below), whose sum is σ = 5120633435320. Its totient is φ = 5120482226328.

The previous prime is 5120557830821. The next prime is 5120557830853. The reversal of 5120557830823 is 3280387550215.

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 5120557830823 - 2¹ = 5120557830821 is a prime.

It is a super-2 number, since 2×5120557830823² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120557830821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37700565 + ... + 37836142.

It is an arithmetic number, because the mean of its divisors is an integer number (1280158358830).

Almost surely, 2^{5120557830823} is an apocalyptic number.

5120557830823 is a deficient number, since it is larger than the sum of its proper divisors (75604497).

5120557830823 is an equidigital number, since it uses as much as digits as its factorization.

5120557830823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75604496.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 5120557830823 in words is "five trillion, one hundred twenty billion, five hundred fifty-seven million, eight hundred thirty thousand, eight hundred twenty-three".