1123234323221 has 16 divisors (see below), whose sum is σ = 1210580078400. Its totient is φ = 1038741314688.

The previous prime is 1123234323217. The next prime is 1123234323257. The reversal of 1123234323221 is 1223234323211.

It is a cyclic number.

It is not a de Polignac number, because 1123234323221 - 2² = 1123234323217 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 (1123234323121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 938915 + ... + 1768623.

It is an arithmetic number, because the mean of its divisors is an integer number (75661254900).

Almost surely, 2^{1123234323221} is an apocalyptic number.

It is an amenable number.

1123234323221 is a deficient number, since it is larger than the sum of its proper divisors (87345755179).

1123234323221 is a wasteful number, since it uses less digits than its factorization.

1123234323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831428.

The product of its digits is 10368, while the sum is 29.

Adding to 1123234323221 its reverse (1223234323211), we get a palindrome (2346468646432).

The spelling of 1123234323221 in words is "one trillion, one hundred twenty-three billion, two hundred thirty-four million, three hundred twenty-three thousand, two hundred twenty-one".