1223334421223 has 4 divisors (see below), whose sum is σ = 1243389083928. Its totient is φ = 1203279758520.

The previous prime is 1223334421213. The next prime is 1223334421237. The reversal of 1223334421223 is 3221244333221.

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 1223334421223 - 2⁶ = 1223334421159 is a prime.

It is a super-2 number, since 2×1223334421223² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223334421223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223334421213) 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, 10027331261 + ... + 10027331382.

It is an arithmetic number, because the mean of its divisors is an integer number (310847270982).

Almost surely, 2^{1223334421223} is an apocalyptic number.

1223334421223 is a deficient number, since it is larger than the sum of its proper divisors (20054662705).

1223334421223 is an equidigital number, since it uses as much as digits as its factorization.

1223334421223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20054662704.

The product of its digits is 41472, while the sum is 32.

Adding to 1223334421223 its reverse (3221244333221), we get a palindrome (4444578754444).

The spelling of 1223334421223 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-four million, four hundred twenty-one thousand, two hundred twenty-three".