5123424013 has 4 divisors (see below), whose sum is σ = 5123742208. Its totient is φ = 5123105820.

The previous prime is 5123423983. The next prime is 5123424023. The reversal of 5123424013 is 3104243215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5123424013 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 (5123424023) 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, 133581 + ... + 167602.

It is an arithmetic number, because the mean of its divisors is an integer number (1280935552).

Almost surely, 2^5123424013 is an apocalyptic number.

It is an amenable number.

5123424013 is a deficient number, since it is larger than the sum of its proper divisors (318195).

5123424013 is a wasteful number, since it uses less digits than its factorization.

5123424013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318194.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 5123424013 is about 71578.0972993834. The cubic root of 5123424013 is about 1723.9318753889.

Adding to 5123424013 its reverse (3104243215), we get a palindrome (8227667228).

The spelling of 5123424013 in words is "five billion, one hundred twenty-three million, four hundred twenty-four thousand, thirteen".