1323563200 has 42 divisors (see below), whose sum is σ = 3256796636. Its totient is φ = 529424640.

The previous prime is 1323563191. The next prime is 1323563201. The reversal of 1323563200 is 23653231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1323563201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 412014 + ... + 415213.

Almost surely, 2^1323563200 is an apocalyptic number.

1323563200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323563200 is an abundant number, since it is smaller than the sum of its proper divisors (1933233436).

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

1323563200 is an equidigital number, since it uses as much as digits as its factorization.

1323563200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827249 (or 827234 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1323563200 is about 36380.8081273630. The cubic root of 1323563200 is about 1097.9474672473.

The spelling of 1323563200 in words is "one billion, three hundred twenty-three million, five hundred sixty-three thousand, two hundred".