1323011200 has 96 divisors (see below), whose sum is σ = 3735207360. Its totient is φ = 453596160.

The previous prime is 1323011191. The next prime is 1323011203. The reversal of 1323011200 is 21103231.

It is not an unprimeable number, because it can be changed into a prime (1323011203) 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, 7132 + ... + 51931.

It is an arithmetic number, because the mean of its divisors is an integer number (38908410).

Almost surely, 2^1323011200 is an apocalyptic number.

1323011200 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 1323011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867603680).

1323011200 is an abundant number, since it is smaller than the sum of its proper divisors (2412196160).

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

1323011200 is an equidigital number, since it uses as much as digits as its factorization.

1323011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59094 (or 59077 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1323011200 is about 36373.2209186924. The cubic root of 1323011200 is about 1097.7948108231.

Adding to 1323011200 its reverse (21103231), we get a palindrome (1344114431).

The spelling of 1323011200 in words is "one billion, three hundred twenty-three million, eleven thousand, two hundred".