1123323213 has 8 divisors (see below), whose sum is σ = 1498348800. Its totient is φ = 748589888.

The previous prime is 1123323211. The next prime is 1123323217. The reversal of 1123323213 is 3123233211.

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 1123323213 - 2¹ = 1123323211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123323213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123323211) 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, 63933 + ... + 79586.

It is an arithmetic number, because the mean of its divisors is an integer number (187293600).

Almost surely, 2^1123323213 is an apocalyptic number.

It is an amenable number.

1123323213 is a deficient number, since it is larger than the sum of its proper divisors (375025587).

1123323213 is a wasteful number, since it uses less digits than its factorization.

1123323213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146131.

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

The square root of 1123323213 is about 33516.0142767603. The cubic root of 1123323213 is about 1039.5249349619.

Adding to 1123323213 its reverse (3123233211), we get a palindrome (4246556424).

The spelling of 1123323213 in words is "one billion, one hundred twenty-three million, three hundred twenty-three thousand, two hundred thirteen".