13200133123 has 4 divisors (see below), whose sum is σ = 13976611560. Its totient is φ = 12423654688.

The previous prime is 13200133103. The next prime is 13200133127. The reversal of 13200133123 is 32133100231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32133100231 = 29 ⋅1108037939.

It is a cyclic number.

It is not a de Polignac number, because 13200133123 - 2⁵ = 13200133091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13200133123.

It is not an unprimeable number, because it can be changed into a prime (13200133127) 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, 388239193 + ... + 388239226.

It is an arithmetic number, because the mean of its divisors is an integer number (3494152890).

Almost surely, 2^13200133123 is an apocalyptic number.

13200133123 is a deficient number, since it is larger than the sum of its proper divisors (776478437).

13200133123 is an equidigital number, since it uses as much as digits as its factorization.

13200133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776478436.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13200133123 its reverse (32133100231), we get a palindrome (45333233354).

The spelling of 13200133123 in words is "thirteen billion, two hundred million, one hundred thirty-three thousand, one hundred twenty-three".