33320021323 has 4 divisors (see below), whose sum is σ = 33477936328. Its totient is φ = 33162106320.

The previous prime is 33320021311. The next prime is 33320021333. The reversal of 33320021323 is 32312002333.

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 33320021323 - 2²⁵ = 33286466891 is a prime.

It is a super-2 number, since 2×33320021323² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33320021294 and 33320021303.

It is not an unprimeable number, because it can be changed into a prime (33320021303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78957186 + ... + 78957607.

It is an arithmetic number, because the mean of its divisors is an integer number (8369484082).

Almost surely, 2^33320021323 is an apocalyptic number.

33320021323 is a deficient number, since it is larger than the sum of its proper divisors (157915005).

33320021323 is a wasteful number, since it uses less digits than its factorization.

33320021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157915004.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 33320021323 its reverse (32312002333), we get a palindrome (65632023656).

The spelling of 33320021323 in words is "thirty-three billion, three hundred twenty million, twenty-one thousand, three hundred twenty-three".