123320202133 has 4 divisors (see below), whose sum is σ = 123320916928. Its totient is φ = 123319487340.

The previous prime is 123320202079. The next prime is 123320202139. The reversal of 123320202133 is 331202023321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 331202023321 = 13 ⋅25477078717.

It is a cyclic number.

It is not a de Polignac number, because 123320202133 - 2²⁹ = 122783331221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320202139) 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, 79060 + ... + 502882.

It is an arithmetic number, because the mean of its divisors is an integer number (30830229232).

Almost surely, 2^123320202133 is an apocalyptic number.

It is an amenable number.

123320202133 is a deficient number, since it is larger than the sum of its proper divisors (714795).

123320202133 is an equidigital number, since it uses as much as digits as its factorization.

123320202133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714794.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123320202133 its reverse (331202023321), we get a palindrome (454522225454).

The spelling of 123320202133 in words is "one hundred twenty-three billion, three hundred twenty million, two hundred two thousand, one hundred thirty-three".