213233231223323 has 4 divisors (see below), whose sum is σ = 213233266992960. Its totient is φ = 213233195453688.

The previous prime is 213233231223263. The next prime is 213233231223367. The reversal of 213233231223323 is 323322132332312.

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

It is a cyclic number.

It is not a de Polignac number, because 213233231223323 - 2¹² = 213233231219227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213233231223373) 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, 6547115 + ... + 21664052.

It is an arithmetic number, because the mean of its divisors is an integer number (53308316748240).

Almost surely, 2^{213233231223323} is an apocalyptic number.

213233231223323 is a deficient number, since it is larger than the sum of its proper divisors (35769637).

213233231223323 is an equidigital number, since it uses as much as digits as its factorization.

213233231223323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35769636.

The product of its digits is 139968, while the sum is 35.

Adding to 213233231223323 its reverse (323322132332312), we get a palindrome (536555363555635).

The spelling of 213233231223323 in words is "two hundred thirteen trillion, two hundred thirty-three billion, two hundred thirty-one million, two hundred twenty-three thousand, three hundred twenty-three".