1123032223 has 4 divisors (see below), whose sum is σ = 1189092960. Its totient is φ = 1056971488.

The previous prime is 1123032199. The next prime is 1123032263. The reversal of 1123032223 is 3222303211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123032223 is a prime.

It is a super-2 number, since 2×1123032223² = 2522402747792643458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123032223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123032263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33030343 + ... + 33030376.

It is an arithmetic number, because the mean of its divisors is an integer number (297273240).

Almost surely, 2^1123032223 is an apocalyptic number.

1123032223 is a deficient number, since it is larger than the sum of its proper divisors (66060737).

1123032223 is an equidigital number, since it uses as much as digits as its factorization.

1123032223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66060736.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1123032223 is about 33511.6729364560. The cubic root of 1123032223 is about 1039.4351663537.

Adding to 1123032223 its reverse (3222303211), we get a palindrome (4345335434).

The spelling of 1123032223 in words is "one billion, one hundred twenty-three million, thirty-two thousand, two hundred twenty-three".