5243456323 has 4 divisors (see below), whose sum is σ = 5992521520. Its totient is φ = 4494391128.

The previous prime is 5243456321. The next prime is 5243456363. The reversal of 5243456323 is 3236543425.

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 5243456323 - 2¹ = 5243456321 is a prime.

It is a super-2 number, since 2×5243456323² = 54987668422417360658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5243456321) 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, 374532588 + ... + 374532601.

It is an arithmetic number, because the mean of its divisors is an integer number (1498130380).

Almost surely, 2^5243456323 is an apocalyptic number.

5243456323 is a deficient number, since it is larger than the sum of its proper divisors (749065197).

5243456323 is an equidigital number, since it uses as much as digits as its factorization.

5243456323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749065196.

The product of its digits is 259200, while the sum is 37.

The square root of 5243456323 is about 72411.7139902102. The cubic root of 5243456323 is about 1737.2909271267.

Adding to 5243456323 its reverse (3236543425), we get a palindrome (8479999748).

The spelling of 5243456323 in words is "five billion, two hundred forty-three million, four hundred fifty-six thousand, three hundred twenty-three".