5243123452 has 48 divisors (see below), whose sum is σ = 10576036800. Its totient is φ = 2227871232.

The previous prime is 5243123407. The next prime is 5243123453. The reversal of 5243123452 is 2543213425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243123453) 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, 3658128 + ... + 3659560.

It is an arithmetic number, because the mean of its divisors is an integer number (220334100).

Almost surely, 2^5243123452 is an apocalyptic number.

It is an amenable number.

5243123452 is an abundant number, since it is smaller than the sum of its proper divisors (5332913348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5243123452 is a wasteful number, since it uses less digits than its factorization.

5243123452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470 (or 2468 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 5243123452 is about 72409.4154927382. The cubic root of 5243123452 is about 1737.2541634623.

Adding to 5243123452 its reverse (2543213425), we get a palindrome (7786336877).

The spelling of 5243123452 in words is "five billion, two hundred forty-three million, one hundred twenty-three thousand, four hundred fifty-two".