233133223321 has 4 divisors (see below), whose sum is σ = 233517298432. Its totient is φ = 232749148212.

The previous prime is 233133223307. The next prime is 233133223397. The reversal of 233133223321 is 123322331332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233133223321 - 2¹¹ = 233133221273 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 233133223321.

It is not an unprimeable number, because it can be changed into a prime (233133223621) 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, 192036645 + ... + 192037858.

It is an arithmetic number, because the mean of its divisors is an integer number (58379324608).

Almost surely, 2^233133223321 is an apocalyptic number.

It is an amenable number.

233133223321 is a deficient number, since it is larger than the sum of its proper divisors (384075111).

233133223321 is an equidigital number, since it uses as much as digits as its factorization.

233133223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384075110.

The product of its digits is 11664, while the sum is 28.

Adding to 233133223321 its reverse (123322331332), we get a palindrome (356455554653).

The spelling of 233133223321 in words is "two hundred thirty-three billion, one hundred thirty-three million, two hundred twenty-three thousand, three hundred twenty-one".