13421413223203 has 4 divisors (see below), whose sum is σ = 13439477037168. Its totient is φ = 13403349409240.

The previous prime is 13421413223171. The next prime is 13421413223209. The reversal of 13421413223203 is 30232231412431.

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 13421413223203 - 2⁵ = 13421413223171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13421413223209) 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, 9031905868 + ... + 9031907353.

It is an arithmetic number, because the mean of its divisors is an integer number (3359869259292).

Almost surely, 2^{13421413223203} is an apocalyptic number.

13421413223203 is a deficient number, since it is larger than the sum of its proper divisors (18063813965).

13421413223203 is an equidigital number, since it uses as much as digits as its factorization.

13421413223203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18063813964.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 13421413223203 its reverse (30232231412431), we get a palindrome (43653644635634).

The spelling of 13421413223203 in words is "thirteen trillion, four hundred twenty-one billion, four hundred thirteen million, two hundred twenty-three thousand, two hundred three".