5204503123 has 16 divisors (see below), whose sum is σ = 5609963520. Its totient is φ = 4812759936.

The previous prime is 5204503081. The next prime is 5204503159. The reversal of 5204503123 is 3213054025.

It is a cyclic number.

It is not a de Polignac number, because 5204503123 - 2²⁵ = 5170948691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5204503163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334411 + ... + 349627.

It is an arithmetic number, because the mean of its divisors is an integer number (350622720).

Almost surely, 2^5204503123 is an apocalyptic number.

5204503123 is a deficient number, since it is larger than the sum of its proper divisors (405460397).

5204503123 is a wasteful number, since it uses less digits than its factorization.

5204503123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15666.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 5204503123 is about 72142.2422925709. The cubic root of 5204503123 is about 1732.9781665503.

Adding to 5204503123 its reverse (3213054025), we get a palindrome (8417557148).

The spelling of 5204503123 in words is "five billion, two hundred four million, five hundred three thousand, one hundred twenty-three".