13020123203 has 4 divisors (see below), whose sum is σ = 13021009008. Its totient is φ = 13019237400.

The previous prime is 13020123187. The next prime is 13020123229. The reversal of 13020123203 is 30232102031.

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 13020123203 - 2⁴ = 13020123187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13020123703) 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, 420476 + ... + 450377.

It is an arithmetic number, because the mean of its divisors is an integer number (3255252252).

Almost surely, 2^13020123203 is an apocalyptic number.

13020123203 is a deficient number, since it is larger than the sum of its proper divisors (885805).

13020123203 is an equidigital number, since it uses as much as digits as its factorization.

13020123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885804.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13020123203 its reverse (30232102031), we get a palindrome (43252225234).

The spelling of 13020123203 in words is "thirteen billion, twenty million, one hundred twenty-three thousand, two hundred three".