5123513543 has 8 divisors (see below), whose sum is σ = 5267442960. Its totient is φ = 4979871360.

The previous prime is 5123513537. The next prime is 5123513579. The reversal of 5123513543 is 3453153215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5123513543 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 (5123510543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35378 + ... + 107231.

It is an arithmetic number, because the mean of its divisors is an integer number (658430370).

Almost surely, 2^5123513543 is an apocalyptic number.

5123513543 is a deficient number, since it is larger than the sum of its proper divisors (143929417).

5123513543 is a wasteful number, since it uses less digits than its factorization.

5123513543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143617.

The product of its digits is 27000, while the sum is 32.

The square root of 5123513543 is about 71578.7226974609. The cubic root of 5123513543 is about 1723.9419170278.

Adding to 5123513543 its reverse (3453153215), we get a palindrome (8576666758).

The spelling of 5123513543 in words is "five billion, one hundred twenty-three million, five hundred thirteen thousand, five hundred forty-three".