1323320002 has 16 divisors (see below), whose sum is σ = 2049898752. Its totient is φ = 640038960.

The previous prime is 1323319993. The next prime is 1323320003. The reversal of 1323320002 is 2000233231.

It is not an unprimeable number, because it can be changed into a prime (1323320003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282693 + ... + 287335.

It is an arithmetic number, because the mean of its divisors is an integer number (128118672).

Almost surely, 2^1323320002 is an apocalyptic number.

1323320002 is a deficient number, since it is larger than the sum of its proper divisors (726578750).

1323320002 is a wasteful number, since it uses less digits than its factorization.

1323320002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9273.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1323320002 is about 36377.4655796690. The cubic root of 1323320002 is about 1097.8802157089.

Adding to 1323320002 its reverse (2000233231), we get a palindrome (3323553233).

The spelling of 1323320002 in words is "one billion, three hundred twenty-three million, three hundred twenty thousand, two".