5123515043 has 4 divisors (see below), whose sum is σ = 5157901200. Its totient is φ = 5089128888.

The previous prime is 5123515027. The next prime is 5123515109. The reversal of 5123515043 is 3405153215.

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 5123515043 - 2⁴ = 5123515027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5123514997 and 5123515015.

It is not an unprimeable number, because it can be changed into a prime (5123515343) 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, 17192855 + ... + 17193152.

It is an arithmetic number, because the mean of its divisors is an integer number (1289475300).

Almost surely, 2^5123515043 is an apocalyptic number.

5123515043 is a deficient number, since it is larger than the sum of its proper divisors (34386157).

5123515043 is a wasteful number, since it uses less digits than its factorization.

5123515043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34386156.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 5123515043 is about 71578.7331754342. The cubic root of 5123515043 is about 1723.9420852660.

Adding to 5123515043 its reverse (3405153215), we get a palindrome (8528668258).

The spelling of 5123515043 in words is "five billion, one hundred twenty-three million, five hundred fifteen thousand, forty-three".