13421123330203 has 4 divisors (see below), whose sum is σ = 13425772146160. Its totient is φ = 13416474514248.

The previous prime is 13421123330183. The next prime is 13421123330207. The reversal of 13421123330203 is 30203332112431.

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 13421123330203 - 2³⁷ = 13283684376731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13421123330207) 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, 2324403648 + ... + 2324409421.

It is an arithmetic number, because the mean of its divisors is an integer number (3356443036540).

Almost surely, 2^{13421123330203} is an apocalyptic number.

13421123330203 is a deficient number, since it is larger than the sum of its proper divisors (4648815957).

13421123330203 is an equidigital number, since it uses as much as digits as its factorization.

13421123330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648815956.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13421123330203 its reverse (30203332112431), we get a palindrome (43624455442634).

The spelling of 13421123330203 in words is "thirteen trillion, four hundred twenty-one billion, one hundred twenty-three million, three hundred thirty thousand, two hundred three".