1123340213 has 8 divisors (see below), whose sum is σ = 1149921696. Its totient is φ = 1096779600.

The previous prime is 1123340191. The next prime is 1123340221. The reversal of 1123340213 is 3120433211.

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 1123340213 - 2¹² = 1123336117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123345213) 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, 180158 + ... + 186288.

It is an arithmetic number, because the mean of its divisors is an integer number (143740212).

Almost surely, 2^1123340213 is an apocalyptic number.

It is an amenable number.

1123340213 is a deficient number, since it is larger than the sum of its proper divisors (26581483).

1123340213 is an equidigital number, since it uses as much as digits as its factorization.

1123340213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10435.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1123340213 is about 33516.2678859088. The cubic root of 1123340213 is about 1039.5301788770.

Adding to 1123340213 its reverse (3120433211), we get a palindrome (4243773424).

The spelling of 1123340213 in words is "one billion, one hundred twenty-three million, three hundred forty thousand, two hundred thirteen".