33423323320 has 128 divisors (see below), whose sum is σ = 81997977600. Its totient is φ = 12214540800.

The previous prime is 33423323317. The next prime is 33423323357. The reversal of 33423323320 is 2332332433.

It is a happy number.

It is a super-2 number, since 2×33423323320² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7230610 + ... + 7235230.

It is an arithmetic number, because the mean of its divisors is an integer number (640609200).

Almost surely, 2^33423323320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33423323320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40998988800).

33423323320 is an abundant number, since it is smaller than the sum of its proper divisors (48574654280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33423323320 is a wasteful number, since it uses less digits than its factorization.

33423323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989 (or 4985 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 28.

Adding to 33423323320 its reverse (2332332433), we get a palindrome (35755655753).

The spelling of 33423323320 in words is "thirty-three billion, four hundred twenty-three million, three hundred twenty-three thousand, three hundred twenty".