5203530123 has 16 divisors (see below), whose sum is σ = 7572182016. Its totient is φ = 3152233440.

The previous prime is 5203530103. The next prime is 5203530169. The reversal of 5203530123 is 3210353025.

It is a happy number.

It is not a de Polignac number, because 5203530123 - 2¹⁷ = 5203399051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5203530093 and 5203530102.

It is not an unprimeable number, because it can be changed into a prime (5203530103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41286 + ... + 110052.

It is an arithmetic number, because the mean of its divisors is an integer number (473261376).

Almost surely, 2^5203530123 is an apocalyptic number.

5203530123 is a deficient number, since it is larger than the sum of its proper divisors (2368651893).

5203530123 is a wasteful number, since it uses less digits than its factorization.

5203530123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71074.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 5203530123 is about 72135.4983555253. The cubic root of 5203530123 is about 1732.8701643832.

Adding to 5203530123 its reverse (3210353025), we get a palindrome (8413883148).

The spelling of 5203530123 in words is "five billion, two hundred three million, five hundred thirty thousand, one hundred twenty-three".