13133333203123 has 24 divisors (see below), whose sum is σ = 15633256486848. Its totient is φ = 10995057729936.

The previous prime is 13133333203049. The next prime is 13133333203147. The reversal of 13133333203123 is 32130233333131.

It is not a de Polignac number, because 13133333203123 - 2⁹ = 13133333202611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13133333203183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123423340 + ... + 123529702.

It is an arithmetic number, because the mean of its divisors is an integer number (651385686952).

Almost surely, 2^{13133333203123} is an apocalyptic number.

13133333203123 is a deficient number, since it is larger than the sum of its proper divisors (2499923283725).

13133333203123 is a wasteful number, since it uses less digits than its factorization.

13133333203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165023 (or 165016 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 31.

Adding to 13133333203123 its reverse (32130233333131), we get a palindrome (45263566536254).

The spelling of 13133333203123 in words is "thirteen trillion, one hundred thirty-three billion, three hundred thirty-three million, two hundred three thousand, one hundred twenty-three".