33023145500 has 96 divisors (see below), whose sum is σ = 73359686400. Its totient is φ = 12984192000.

The previous prime is 33023145469. The next prime is 33023145517. The reversal of 33023145500 is 554132033.

It is a self number, because there is not a number n which added to its sum of digits gives 33023145500.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9517766 + ... + 9521234.

It is an arithmetic number, because the mean of its divisors is an integer number (764163400).

Almost surely, 2^33023145500 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 33023145500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36679843200).

33023145500 is an abundant number, since it is smaller than the sum of its proper divisors (40336540900).

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

33023145500 is a wasteful number, since it uses less digits than its factorization.

33023145500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808 (or 3796 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 33023145500 its reverse (554132033), we get a palindrome (33577277533).

The spelling of 33023145500 in words is "thirty-three billion, twenty-three million, one hundred forty-five thousand, five hundred".