33300221023 has 4 divisors (see below), whose sum is σ = 33321312040. Its totient is φ = 33279130008.

The previous prime is 33300220997. The next prime is 33300221029. The reversal of 33300221023 is 32012200333.

It is a happy number.

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 33300221023 - 2⁵ = 33300220991 is a prime.

It is a super-2 number, since 2×33300221023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33300221029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10543140 + ... + 10546297.

It is an arithmetic number, because the mean of its divisors is an integer number (8330328010).

Almost surely, 2^33300221023 is an apocalyptic number.

33300221023 is a deficient number, since it is larger than the sum of its proper divisors (21091017).

33300221023 is a wasteful number, since it uses less digits than its factorization.

33300221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21091016.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 33300221023 its reverse (32012200333), we get a palindrome (65312421356).

It can be divided in two parts, 333002 and 21023, that added together give a square (354025 = 595²).

The spelling of 33300221023 in words is "thirty-three billion, three hundred million, two hundred twenty-one thousand, twenty-three".