1123324000 has 96 divisors (see below), whose sum is σ = 2798542656. Its totient is φ = 443059200.

The previous prime is 1123323983. The next prime is 1123324001. The reversal of 1123324000 is 4233211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123324001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290077 + ... + 293923.

It is an arithmetic number, because the mean of its divisors is an integer number (29151486).

Almost surely, 2^1123324000 is an apocalyptic number.

1123324000 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 1123324000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399271328).

1123324000 is an abundant number, since it is smaller than the sum of its proper divisors (1675218656).

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

1123324000 is an equidigital number, since it uses as much as digits as its factorization.

1123324000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1123324000 is about 33516.0260174144. The cubic root of 1123324000 is about 1039.5251777255.

Adding to 1123324000 its reverse (4233211), we get a palindrome (1127557211).

The spelling of 1123324000 in words is "one billion, one hundred twenty-three million, three hundred twenty-four thousand".