1223341423221 has 8 divisors (see below), whose sum is σ = 1639573307200. Its totient is φ = 811335244032.

The previous prime is 1223341423217. The next prime is 1223341423273. The reversal of 1223341423221 is 1223241433221.

It is a happy number.

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

It is not a de Polignac number, because 1223341423221 - 2² = 1223341423217 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 (1223341423201) 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, 1056425521 + ... + 1056426678.

It is an arithmetic number, because the mean of its divisors is an integer number (204946663400).

Almost surely, 2^{1223341423221} is an apocalyptic number.

It is an amenable number.

1223341423221 is a deficient number, since it is larger than the sum of its proper divisors (416231883979).

1223341423221 is a wasteful number, since it uses less digits than its factorization.

1223341423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112852395.

The product of its digits is 13824, while the sum is 30.

Adding to 1223341423221 its reverse (1223241433221), we get a palindrome (2446582856442).

The spelling of 1223341423221 in words is "one trillion, two hundred twenty-three billion, three hundred forty-one million, four hundred twenty-three thousand, two hundred twenty-one".