1123320220323 has 16 divisors (see below), whose sum is σ = 1812415818240. Its totient is φ = 604138605696.

The previous prime is 1123320220291. The next prime is 1123320220331. The reversal of 1123320220323 is 3230220233211.

It is not a de Polignac number, because 1123320220323 - 2⁵ = 1123320220291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123320220293 and 1123320220302.

It is not an unprimeable number, because it can be changed into a prime (1123320220423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1573277263 + ... + 1573277976.

It is an arithmetic number, because the mean of its divisors is an integer number (113275988640).

Almost surely, 2^{1123320220323} is an apocalyptic number.

1123320220323 is a deficient number, since it is larger than the sum of its proper divisors (689095597917).

1123320220323 is a wasteful number, since it uses less digits than its factorization.

1123320220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146555266.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1123320220323 its reverse (3230220233211), we get a palindrome (4353540453534).

The spelling of 1123320220323 in words is "one trillion, one hundred twenty-three billion, three hundred twenty million, two hundred twenty thousand, three hundred twenty-three".