5207172823 has 2 divisors, whose sum is σ = 5207172824. Its totient is φ = 5207172822.

The previous prime is 5207172809. The next prime is 5207172863. The reversal of 5207172823 is 3282717025.

5207172823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5207172823 - 2²¹ = 5205075671 is a prime.

It is a super-2 number, since 2×5207172823² = 54229297617179578658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5207172863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603586411 + 2603586412.

It is an arithmetic number, because the mean of its divisors is an integer number (2603586412).

Almost surely, 2^5207172823 is an apocalyptic number.

5207172823 is a deficient number, since it is larger than the sum of its proper divisors (1).

5207172823 is an equidigital number, since it uses as much as digits as its factorization.

5207172823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 5207172823 is about 72160.7429493350. The cubic root of 5207172823 is about 1733.2744318454.

Adding to 5207172823 its reverse (3282717025), we get a palindrome (8489889848).

The spelling of 5207172823 in words is "five billion, two hundred seven million, one hundred seventy-two thousand, eight hundred twenty-three".