5243879723 has 16 divisors (see below), whose sum is σ = 5512128000. Its totient is φ = 4982764896.

The previous prime is 5243879699. The next prime is 5243879759. The reversal of 5243879723 is 3279783425.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5243879723 - 2²⁸ = 4975444267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5243879783) 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, 864740 + ... + 870782.

It is an arithmetic number, because the mean of its divisors is an integer number (344508000).

Almost surely, 2^5243879723 is an apocalyptic number.

5243879723 is a deficient number, since it is larger than the sum of its proper divisors (268248277).

5243879723 is a wasteful number, since it uses less digits than its factorization.

5243879723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6626.

The product of its digits is 2540160, while the sum is 50.

The square root of 5243879723 is about 72414.6374913249. The cubic root of 5243879723 is about 1737.3376869441.

The spelling of 5243879723 in words is "five billion, two hundred forty-three million, eight hundred seventy-nine thousand, seven hundred twenty-three".