1123350321 has 8 divisors (see below), whose sum is σ = 1500929280. Its totient is φ = 747335792.

The previous prime is 1123350311. The next prime is 1123350343. The reversal of 1123350321 is 1230533211.

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 1123350321 - 2¹⁵ = 1123317553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123350301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389430 + ... + 392303.

It is an arithmetic number, because the mean of its divisors is an integer number (187616160).

Almost surely, 2^1123350321 is an apocalyptic number.

It is an amenable number.

1123350321 is a deficient number, since it is larger than the sum of its proper divisors (377578959).

1123350321 is an equidigital number, since it uses as much as digits as its factorization.

1123350321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782215.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1123350321 is about 33516.4186780151. The cubic root of 1123350321 is about 1039.5332968222.

Adding to 1123350321 its reverse (1230533211), we get a palindrome (2353883532).

The spelling of 1123350321 in words is "one billion, one hundred twenty-three million, three hundred fifty thousand, three hundred twenty-one".