33213320323 has 4 divisors (see below), whose sum is σ = 33213684960. Its totient is φ = 33212955688.

The previous prime is 33213320317. The next prime is 33213320339. The reversal of 33213320323 is 32302331233.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33213320323 is a prime.

It is a super-2 number, since 2×33213320323² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33213320123) 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, 83433 + ... + 270901.

It is an arithmetic number, because the mean of its divisors is an integer number (8303421240).

Almost surely, 2^33213320323 is an apocalyptic number.

33213320323 is a deficient number, since it is larger than the sum of its proper divisors (364637).

33213320323 is a wasteful number, since it uses less digits than its factorization.

33213320323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364636.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 33213320323 its reverse (32302331233), we get a palindrome (65515651556).

The spelling of 33213320323 in words is "thirty-three billion, two hundred thirteen million, three hundred twenty thousand, three hundred twenty-three".