5123504123 has 4 divisors (see below), whose sum is σ = 5123648040. Its totient is φ = 5123360208.

The previous prime is 5123504107. The next prime is 5123504159. The reversal of 5123504123 is 3214053215.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5123504123 - 2⁴ = 5123504107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5123504092 and 5123504101.

It is not an unprimeable number, because it can be changed into a prime (5123504923) 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, 24911 + ... + 104247.

It is an arithmetic number, because the mean of its divisors is an integer number (1280912010).

Almost surely, 2^5123504123 is an apocalyptic number.

5123504123 is a deficient number, since it is larger than the sum of its proper divisors (143917).

5123504123 is an equidigital number, since it uses as much as digits as its factorization.

5123504123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143916.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5123504123 is about 71578.6568957535. The cubic root of 5123504123 is about 1723.9408604909.

Adding to 5123504123 its reverse (3214053215), we get a palindrome (8337557338).

The spelling of 5123504123 in words is "five billion, one hundred twenty-three million, five hundred four thousand, one hundred twenty-three".