1223311201223 has 8 divisors (see below), whose sum is σ = 1225813637520. Its totient is φ = 1220810088960.

The previous prime is 1223311201171. The next prime is 1223311201267. The reversal of 1223311201223 is 3221021133221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223311201223 - 2¹⁴ = 1223311184839 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 (1223311209223) 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, 1529408 + ... + 2187626.

It is an arithmetic number, because the mean of its divisors is an integer number (153226704690).

Almost surely, 2^{1223311201223} is an apocalyptic number.

1223311201223 is a deficient number, since it is larger than the sum of its proper divisors (2502436297).

1223311201223 is an equidigital number, since it uses as much as digits as its factorization.

1223311201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662017.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1223311201223 its reverse (3221021133221), we get a palindrome (4444332334444).

The spelling of 1223311201223 in words is "one trillion, two hundred twenty-three billion, three hundred eleven million, two hundred one thousand, two hundred twenty-three".