213323203021223 has 4 divisors (see below), whose sum is σ = 224550740022360. Its totient is φ = 202095666020088.

The previous prime is 213323203021183. The next prime is 213323203021283. The reversal of 213323203021223 is 322120302323312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213323203021223 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 (213323203021283) 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, 5613768500540 + ... + 5613768500577.

It is an arithmetic number, because the mean of its divisors is an integer number (56137685005590).

Almost surely, 2^{213323203021223} is an apocalyptic number.

213323203021223 is a deficient number, since it is larger than the sum of its proper divisors (11227537001137).

213323203021223 is a wasteful number, since it uses less digits than its factorization.

213323203021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11227537001136.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 213323203021223 its reverse (322120302323312), we get a palindrome (535443505344535).

The spelling of 213323203021223 in words is "two hundred thirteen trillion, three hundred twenty-three billion, two hundred three million, twenty-one thousand, two hundred twenty-three".