33213213023 has 4 divisors (see below), whose sum is σ = 33227699928. Its totient is φ = 33198726120.

The previous prime is 33213213013. The next prime is 33213213073. The reversal of 33213213023 is 32031231233.

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 33213213023 - 2⁶ = 33213212959 is a prime.

It is a super-2 number, since 2×33213213023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33213213023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33213213013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7240013 + ... + 7244598.

It is an arithmetic number, because the mean of its divisors is an integer number (8306924982).

Almost surely, 2^33213213023 is an apocalyptic number.

33213213023 is a deficient number, since it is larger than the sum of its proper divisors (14486905).

33213213023 is a wasteful number, since it uses less digits than its factorization.

33213213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14486904.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33213213023 its reverse (32031231233), we get a palindrome (65244444256).

The spelling of 33213213023 in words is "thirty-three billion, two hundred thirteen million, two hundred thirteen thousand, twenty-three".