1123103300 has 288 divisors, whose sum is σ = 3093552000. Its totient is φ = 348364800.

The previous prime is 1123103297. The next prime is 1123103327. The reversal of 1123103300 is 33013211.

It is a super-2 number, since 2×1123103300² = 2522722044941780000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10303646 + ... + 10303754.

It is an arithmetic number, because the mean of its divisors is an integer number (10741500).

Almost surely, 2^1123103300 is an apocalyptic number.

1123103300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123103300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546776000).

1123103300 is an abundant number, since it is smaller than the sum of its proper divisors (1970448700).

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

1123103300 is a wasteful number, since it uses less digits than its factorization.

1123103300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1123103300 is about 33512.7334009030. The cubic root of 1123103300 is about 1039.4570945980.

Adding to 1123103300 its reverse (33013211), we get a palindrome (1156116511).

The spelling of 1123103300 in words is "one billion, one hundred twenty-three million, one hundred three thousand, three hundred".