1123320031323 has 32 divisors (see below), whose sum is σ = 1734603763200. Its totient is φ = 633338044416.

The previous prime is 1123320031321. The next prime is 1123320031343. The reversal of 1123320031323 is 3231300233211.

It is not a de Polignac number, because 1123320031323 - 2¹ = 1123320031321 is a prime.

It is a super-2 number, since 2×1123320031323² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123320031293 and 1123320031302.

It is not an unprimeable number, because it can be changed into a prime (1123320031321) 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 31 ways as a sum of consecutive naturals, for example, 921333 + ... + 1759401.

It is an arithmetic number, because the mean of its divisors is an integer number (54206367600).

Almost surely, 2^{1123320031323} is an apocalyptic number.

1123320031323 is a deficient number, since it is larger than the sum of its proper divisors (611283731877).

1123320031323 is an equidigital number, since it uses as much as digits as its factorization.

1123320031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838931.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1123320031323 its reverse (3231300233211), we get a palindrome (4354620264534).

The spelling of 1123320031323 in words is "one trillion, one hundred twenty-three billion, three hundred twenty million, thirty-one thousand, three hundred twenty-three".