233223022321 has 4 divisors (see below), whose sum is σ = 246942023652. Its totient is φ = 219504020992.

The previous prime is 233223022313. The next prime is 233223022343. The reversal of 233223022321 is 123220322332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113531933025 + 119691089296 = 336945^2 + 345964^2 .

It is a cyclic number.

It is not a de Polignac number, because 233223022321 - 2³ = 233223022313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233223022121) 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, 6859500640 + ... + 6859500673.

It is an arithmetic number, because the mean of its divisors is an integer number (61735505913).

Almost surely, 2^233223022321 is an apocalyptic number.

It is an amenable number.

233223022321 is a deficient number, since it is larger than the sum of its proper divisors (13719001331).

233223022321 is a wasteful number, since it uses less digits than its factorization.

233223022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13719001330.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 233223022321 its reverse (123220322332), we get a palindrome (356443344653).

The spelling of 233223022321 in words is "two hundred thirty-three billion, two hundred twenty-three million, twenty-two thousand, three hundred twenty-one".