5206566423 has 16 divisors (see below), whose sum is σ = 7099255296. Its totient is φ = 3392658240.

The previous prime is 5206566403. The next prime is 5206566427. The reversal of 5206566423 is 3246656025.

It is not a de Polignac number, because 5206566423 - 2³⁰ = 4132824599 is a prime.

It is a super-2 number, since 2×5206566423² = 54216667834222029858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206566427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83040 + ... + 131562.

It is an arithmetic number, because the mean of its divisors is an integer number (443703456).

Almost surely, 2^5206566423 is an apocalyptic number.

5206566423 is a deficient number, since it is larger than the sum of its proper divisors (1892688873).

5206566423 is a wasteful number, since it uses less digits than its factorization.

5206566423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49334.

The product of its (nonzero) digits is 259200, while the sum is 39.

The square root of 5206566423 is about 72156.5410964245. The cubic root of 5206566423 is about 1733.2071465543.

The spelling of 5206566423 in words is "five billion, two hundred six million, five hundred sixty-six thousand, four hundred twenty-three".