30033120223 has 4 divisors (see below), whose sum is σ = 30206722248. Its totient is φ = 29859518200.

The previous prime is 30033120211. The next prime is 30033120259. The reversal of 30033120223 is 32202133003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32202133003 = 37 ⋅870327919.

It is a cyclic number.

It is not a de Polignac number, because 30033120223 - 2⁵ = 30033120191 is a prime.

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 30033120223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033120263) 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, 86800753 + ... + 86801098.

It is an arithmetic number, because the mean of its divisors is an integer number (7551680562).

Almost surely, 2^30033120223 is an apocalyptic number.

30033120223 is a deficient number, since it is larger than the sum of its proper divisors (173602025).

30033120223 is a wasteful number, since it uses less digits than its factorization.

30033120223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173602024.

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

Adding to 30033120223 its reverse (32202133003), we get a palindrome (62235253226).

The spelling of 30033120223 in words is "thirty billion, thirty-three million, one hundred twenty thousand, two hundred twenty-three".