1121323323 has 16 divisors (see below), whose sum is σ = 1597281920. Its totient is φ = 697631616.

The previous prime is 1121323319. The next prime is 1121323331. The reversal of 1121323323 is 3233231211.

It is not a de Polignac number, because 1121323323 - 2² = 1121323319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121323323.

It is not an unprimeable number, because it can be changed into a prime (1121323123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142990 + ... + 150627.

It is an arithmetic number, because the mean of its divisors is an integer number (99830120).

Almost surely, 2^1121323323 is an apocalyptic number.

1121323323 is a deficient number, since it is larger than the sum of its proper divisors (475958597).

1121323323 is a wasteful number, since it uses less digits than its factorization.

1121323323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293706.

The product of its digits is 648, while the sum is 21.

The square root of 1121323323 is about 33486.1661436480. The cubic root of 1121323323 is about 1038.9076681318.

Adding to 1121323323 its reverse (3233231211), we get a palindrome (4354554534).

The spelling of 1121323323 in words is "one billion, one hundred twenty-one million, three hundred twenty-three thousand, three hundred twenty-three".