1323200320002 has 48 divisors (see below), whose sum is σ = 3127649679648. Its totient is φ = 400958859840.

The previous prime is 1323200319983. The next prime is 1323200320009. The reversal of 1323200320002 is 2000230023231.

It is a happy number.

1323200320002 is a `hidden beast` number, since 1 + 323 + 20 + 0 + 320 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1323200320009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10007173 + ... + 10138535.

It is an arithmetic number, because the mean of its divisors is an integer number (65159368326).

Almost surely, 2^{1323200320002} is an apocalyptic number.

1323200320002 is an abundant number, since it is smaller than the sum of its proper divisors (1804449359646).

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

1323200320002 is a wasteful number, since it uses less digits than its factorization.

1323200320002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182255 (or 182252 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 1323200320002 its reverse (2000230023231), we get a palindrome (3323430343233).

The spelling of 1323200320002 in words is "one trillion, three hundred twenty-three billion, two hundred million, three hundred twenty thousand, two".