1123113400 has 48 divisors (see below), whose sum is σ = 2616785640. Its totient is φ = 448291200.

The previous prime is 1123113379. The next prime is 1123113403. The reversal of 1123113400 is 43113211.

It is a super-3 number, since 3×1123113400³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123113403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92482 + ... + 103918.

Almost surely, 2^1123113400 is an apocalyptic number.

1123113400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123113400 is an abundant number, since it is smaller than the sum of its proper divisors (1493672240).

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

1123113400 is a wasteful number, since it uses less digits than its factorization.

1123113400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11944 (or 11935 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1123113400 is about 33512.8840895558. The cubic root of 1123113400 is about 1039.4602105136.

Adding to 1123113400 its reverse (43113211), we get a palindrome (1166226611).

The spelling of 1123113400 in words is "one billion, one hundred twenty-three million, one hundred thirteen thousand, four hundred".