13123331203 has 4 divisors (see below), whose sum is σ = 13895291880. Its totient is φ = 12351370528.

The previous prime is 13123331201. The next prime is 13123331213. The reversal of 13123331203 is 30213332131.

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 13123331203 - 2¹ = 13123331201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123331201) 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, 385980313 + ... + 385980346.

It is an arithmetic number, because the mean of its divisors is an integer number (3473822970).

Almost surely, 2^13123331203 is an apocalyptic number.

13123331203 is a deficient number, since it is larger than the sum of its proper divisors (771960677).

13123331203 is an equidigital number, since it uses as much as digits as its factorization.

13123331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771960676.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13123331203 its reverse (30213332131), we get a palindrome (43336663334).

The spelling of 13123331203 in words is "thirteen billion, one hundred twenty-three million, three hundred thirty-one thousand, two hundred three".