33123120320023 has 4 divisors (see below), whose sum is σ = 33123325376680. Its totient is φ = 33122915263368.

The previous prime is 33123120319963. The next prime is 33123120320051. The reversal of 33123120320023 is 32002302132133.

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 33123120320023 - 2²⁵ = 33123086765591 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 33123120320023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33123120320053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102285840 + ... + 102609157.

It is an arithmetic number, because the mean of its divisors is an integer number (8280831344170).

Almost surely, 2^{33123120320023} is an apocalyptic number.

33123120320023 is a deficient number, since it is larger than the sum of its proper divisors (205056657).

33123120320023 is a wasteful number, since it uses less digits than its factorization.

33123120320023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205056656.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 33123120320023 its reverse (32002302132133), we get a palindrome (65125422452156).

The spelling of 33123120320023 in words is "thirty-three trillion, one hundred twenty-three billion, one hundred twenty million, three hundred twenty thousand, twenty-three".