221233211323 has 8 divisors (see below), whose sum is σ = 221502742128. Its totient is φ = 220963819104.

The previous prime is 221233211299. The next prime is 221233211347. The reversal of 221233211323 is 323112332122.

It is an interprime number because it is at equal distance from previous prime (221233211299) and next prime (221233211347).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221233211323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221233211723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3359865 + ... + 3425077.

It is an arithmetic number, because the mean of its divisors is an integer number (27687842766).

Almost surely, 2^221233211323 is an apocalyptic number.

221233211323 is a deficient number, since it is larger than the sum of its proper divisors (269530805).

221233211323 is a wasteful number, since it uses less digits than its factorization.

221233211323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69293.

The product of its digits is 2592, while the sum is 25.

Adding to 221233211323 its reverse (323112332122), we get a palindrome (544345543445).

The spelling of 221233211323 in words is "two hundred twenty-one billion, two hundred thirty-three million, two hundred eleven thousand, three hundred twenty-three".