33120123133 has 4 divisors (see below), whose sum is σ = 33156163360. Its totient is φ = 33084082908.

The previous prime is 33120123107. The next prime is 33120123143. The reversal of 33120123133 is 33132102133.

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.

It is a cyclic number.

It is not a de Polignac number, because 33120123133 - 2⁹ = 33120122621 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 (33120123143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18018735 + ... + 18020572.

It is an arithmetic number, because the mean of its divisors is an integer number (8289040840).

Almost surely, 2^33120123133 is an apocalyptic number.

It is an amenable number.

33120123133 is a deficient number, since it is larger than the sum of its proper divisors (36040227).

33120123133 is an equidigital number, since it uses as much as digits as its factorization.

33120123133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36040226.

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

Adding to 33120123133 its reverse (33132102133), we get a palindrome (66252225266).

The spelling of 33120123133 in words is "thirty-three billion, one hundred twenty million, one hundred twenty-three thousand, one hundred thirty-three".