5172007823 has 4 divisors (see below), whose sum is σ = 5194593240. Its totient is φ = 5149422408.

The previous prime is 5172007781. The next prime is 5172007829. The reversal of 5172007823 is 3287002715.

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 5172007823 - 2¹⁶ = 5171942287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172007829) 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, 11292365 + ... + 11292822.

It is an arithmetic number, because the mean of its divisors is an integer number (1298648310).

Almost surely, 2^5172007823 is an apocalyptic number.

5172007823 is a deficient number, since it is larger than the sum of its proper divisors (22585417).

5172007823 is a wasteful number, since it uses less digits than its factorization.

5172007823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22585416.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 5172007823 is about 71916.6727748163. The cubic root of 5172007823 is about 1729.3639082849.

The spelling of 5172007823 in words is "five billion, one hundred seventy-two million, seven thousand, eight hundred twenty-three".