233213326909 has 4 divisors (see below), whose sum is σ = 233659242016. Its totient is φ = 232767411804.

The previous prime is 233213326867. The next prime is 233213326919. The reversal of 233213326909 is 909623312332.

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 233213326909 - 2⁹ = 233213326397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233213326919) 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, 222956769 + ... + 222957814.

It is an arithmetic number, because the mean of its divisors is an integer number (58414810504).

Almost surely, 2^233213326909 is an apocalyptic number.

It is an amenable number.

233213326909 is a deficient number, since it is larger than the sum of its proper divisors (445915107).

233213326909 is an equidigital number, since it uses as much as digits as its factorization.

233213326909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445915106.

The product of its (nonzero) digits is 314928, while the sum is 43.

The spelling of 233213326909 in words is "two hundred thirty-three billion, two hundred thirteen million, three hundred twenty-six thousand, nine hundred nine".