1123321223 has 8 divisors (see below), whose sum is σ = 1198766592. Its totient is φ = 1048916736.

The previous prime is 1123321169. The next prime is 1123321231. The reversal of 1123321223 is 3221233211.

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 1123321223 - 2⁸ = 1123320967 is a prime.

It is a super-4 number, since 4×1123321223⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123321195 and 1123321204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123321523) 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, 257990 + ... + 262307.

It is an arithmetic number, because the mean of its divisors is an integer number (149845824).

Almost surely, 2^1123321223 is an apocalyptic number.

1123321223 is a deficient number, since it is larger than the sum of its proper divisors (75445369).

1123321223 is a wasteful number, since it uses less digits than its factorization.

1123321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520441.

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

The square root of 1123321223 is about 33515.9845894463. The cubic root of 1123321223 is about 1039.5243211119.

Adding to 1123321223 its reverse (3221233211), we get a palindrome (4344554434).

The spelling of 1123321223 in words is "one billion, one hundred twenty-three million, three hundred twenty-one thousand, two hundred twenty-three".