1123313223 has 16 divisors (see below), whose sum is σ = 1541534976. Its totient is φ = 727298880.

The previous prime is 1123313221. The next prime is 1123313251. The reversal of 1123313223 is 3223133211.

It is not a de Polignac number, because 1123313223 - 2¹ = 1123313221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123313223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123313221) 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, 25086 + ... + 53627.

It is an arithmetic number, because the mean of its divisors is an integer number (96345936).

Almost surely, 2^1123313223 is an apocalyptic number.

1123313223 is a deficient number, since it is larger than the sum of its proper divisors (418221753).

1123313223 is an equidigital number, since it uses as much as digits as its factorization.

1123313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78854.

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

The square root of 1123313223 is about 33515.8652431949. The cubic root of 1123313223 is about 1039.5218533659.

Adding to 1123313223 its reverse (3223133211), we get a palindrome (4346446434).

The spelling of 1123313223 in words is "one billion, one hundred twenty-three million, three hundred thirteen thousand, two hundred twenty-three".