1223404113223 has 8 divisors (see below), whose sum is σ = 1239546868560. Its totient is φ = 1207350792000.

The previous prime is 1223404113193. The next prime is 1223404113271. The reversal of 1223404113223 is 3223114043221.

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 1223404113223 - 2²⁵ = 1223370558791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223404113191 and 1223404113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223404113293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22330990 + ... + 22385707.

It is an arithmetic number, because the mean of its divisors is an integer number (154943358570).

Almost surely, 2^{1223404113223} is an apocalyptic number.

1223404113223 is a deficient number, since it is larger than the sum of its proper divisors (16142755337).

1223404113223 is a wasteful number, since it uses less digits than its factorization.

1223404113223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44717057.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1223404113223 its reverse (3223114043221), we get a palindrome (4446518156444).

The spelling of 1223404113223 in words is "one trillion, two hundred twenty-three billion, four hundred four million, one hundred thirteen thousand, two hundred twenty-three".