1123130223 has 24 divisors (see below), whose sum is σ = 1723378800. Its totient is φ = 702825984.

The previous prime is 1123130213. The next prime is 1123130257. The reversal of 1123130223 is 3220313211.

It is not a de Polignac number, because 1123130223 - 2⁴ = 1123130207 is a prime.

It is a super-2 number, since 2×1123130223² = 2522842995632059458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123130196 and 1123130205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123130213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11490 + ... + 48767.

It is an arithmetic number, because the mean of its divisors is an integer number (71807450).

Almost surely, 2^1123130223 is an apocalyptic number.

1123130223 is a deficient number, since it is larger than the sum of its proper divisors (600248577).

1123130223 is a wasteful number, since it uses less digits than its factorization.

1123130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60391 (or 60388 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1123130223 is about 33513.1350816363. The cubic root of 1123130223 is about 1039.4654004768.

Adding to 1123130223 its reverse (3220313211), we get a palindrome (4343443434).

The spelling of 1123130223 in words is "one billion, one hundred twenty-three million, one hundred thirty thousand, two hundred twenty-three".