1121323343 has 8 divisors (see below), whose sum is σ = 1281744000. Its totient is φ = 960960600.

The previous prime is 1121323339. The next prime is 1121323387. The reversal of 1121323343 is 3433231211.

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 1121323343 - 2² = 1121323339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121323243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41408 + ... + 62906.

It is an arithmetic number, because the mean of its divisors is an integer number (160218000).

Almost surely, 2^1121323343 is an apocalyptic number.

1121323343 is a deficient number, since it is larger than the sum of its proper divisors (160420657).

1121323343 is an equidigital number, since it uses as much as digits as its factorization.

1121323343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28957.

The product of its digits is 1296, while the sum is 23.

The square root of 1121323343 is about 33486.1664422788. The cubic root of 1121323343 is about 1038.9076743084.

Adding to 1121323343 its reverse (3433231211), we get a palindrome (4554554554).

The spelling of 1121323343 in words is "one billion, one hundred twenty-one million, three hundred twenty-three thousand, three hundred forty-three".