233332220321 has 4 divisors (see below), whose sum is σ = 233433188544. Its totient is φ = 233231252100.

The previous prime is 233332220293. The next prime is 233332220323. The reversal of 233332220321 is 123022233332.

233332220321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-233332220321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233332220323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50480645 + ... + 50485266.

It is an arithmetic number, because the mean of its divisors is an integer number (58358297136).

Almost surely, 2^233332220321 is an apocalyptic number.

It is an amenable number.

233332220321 is a deficient number, since it is larger than the sum of its proper divisors (100968223).

233332220321 is a wasteful number, since it uses less digits than its factorization.

233332220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100968222.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 233332220321 its reverse (123022233332), we get a palindrome (356354453653).

The spelling of 233332220321 in words is "two hundred thirty-three billion, three hundred thirty-two million, two hundred twenty thousand, three hundred twenty-one".