1123813200 has 60 divisors (see below), whose sum is σ = 3599952128. Its totient is φ = 299683200.

The previous prime is 1123813199. The next prime is 1123813211. The reversal of 1123813200 is 23183211.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×1123813200² = 2525912216988480000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467056 + ... + 469455.

Almost surely, 2^1123813200 is an apocalyptic number.

1123813200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123813200 is an abundant number, since it is smaller than the sum of its proper divisors (2476138928).

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

1123813200 is a wasteful number, since it uses less digits than its factorization.

1123813200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936532 (or 936521 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1123813200 is about 33523.3232242867. The cubic root of 1123813200 is about 1039.6760578852.

Adding to 1123813200 its reverse (23183211), we get a palindrome (1146996411).

The spelling of 1123813200 in words is "one billion, one hundred twenty-three million, eight hundred thirteen thousand, two hundred".