1122320343 has 4 divisors (see below), whose sum is σ = 1496427128. Its totient is φ = 748213560.

The previous prime is 1122320293. The next prime is 1122320357. The reversal of 1122320343 is 3430232211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1122320343 - 2²⁸ = 853884887 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 (1122220343) 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 3 ways as a sum of consecutive naturals, for example, 187053388 + ... + 187053393.

It is an arithmetic number, because the mean of its divisors is an integer number (374106782).

Almost surely, 2^1122320343 is an apocalyptic number.

1122320343 is a deficient number, since it is larger than the sum of its proper divisors (374106785).

1122320343 is an equidigital number, since it uses as much as digits as its factorization.

1122320343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374106784.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1122320343 is about 33501.0498790710. The cubic root of 1122320343 is about 1039.2154904038.

Adding to 1122320343 its reverse (3430232211), we get a palindrome (4552552554).

The spelling of 1122320343 in words is "one billion, one hundred twenty-two million, three hundred twenty thousand, three hundred forty-three".