1123323100 has 18 divisors (see below), whose sum is σ = 2437611344. Its totient is φ = 449329200.

The previous prime is 1123323083. The next prime is 1123323101. The reversal of 1123323100 is 13233211.

It is a super-2 number, since 2×1123323100² = 2523709573987220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123323101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5616516 + ... + 5616715.

Almost surely, 2^1123323100 is an apocalyptic number.

1123323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123323100 is an abundant number, since it is smaller than the sum of its proper divisors (1314288244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123323100 is a wasteful number, since it uses less digits than its factorization.

1123323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11233245 (or 11233238 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1123323100 is about 33516.0125909989. The cubic root of 1123323100 is about 1039.5249001051.

Adding to 1123323100 its reverse (13233211), we get a palindrome (1136556311).

The spelling of 1123323100 in words is "one billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred".