1123332213 has 16 divisors (see below), whose sum is σ = 1613316096. Its totient is φ = 693219120.

The previous prime is 1123332187. The next prime is 1123332229. The reversal of 1123332213 is 3122333211.

It is not a de Polignac number, because 1123332213 - 2¹⁰ = 1123331189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123332213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123332283) 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, 260445 + ... + 264722.

It is an arithmetic number, because the mean of its divisors is an integer number (100832256).

Almost surely, 2^1123332213 is an apocalyptic number.

It is an amenable number.

1123332213 is a deficient number, since it is larger than the sum of its proper divisors (489983883).

1123332213 is a wasteful number, since it uses less digits than its factorization.

1123332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525224.

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

The square root of 1123332213 is about 33516.1485406662. The cubic root of 1123332213 is about 1039.5277111589.

Adding to 1123332213 its reverse (3122333211), we get a palindrome (4245665424).

It can be divided in two parts, 1123 and 332213, that added together give a triangular number (333336 = T₈₁₆).

The spelling of 1123332213 in words is "one billion, one hundred twenty-three million, three hundred thirty-two thousand, two hundred thirteen".