1113121323 has 12 divisors (see below), whose sum is σ = 1608893520. Its totient is φ = 741595536.

The previous prime is 1113121267. The next prime is 1113121333. The reversal of 1113121323 is 3231213111.

It is not a de Polignac number, because 1113121323 - 2⁸ = 1113121067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113121296 and 1113121305.

It is not an unprimeable number, because it can be changed into a prime (1113121333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25636 + ... + 53697.

It is an arithmetic number, because the mean of its divisors is an integer number (134074460).

Almost surely, 2^1113121323 is an apocalyptic number.

1113121323 is a deficient number, since it is larger than the sum of its proper divisors (495772197).

1113121323 is a wasteful number, since it uses less digits than its factorization.

1113121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80898 (or 80895 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1113121323 is about 33363.4728857773. The cubic root of 1113121323 is about 1036.3684119166.

Adding to 1113121323 its reverse (3231213111), we get a palindrome (4344334434).

The spelling of 1113121323 in words is "one billion, one hundred thirteen million, one hundred twenty-one thousand, three hundred twenty-three".