1323100002 has 64 divisors (see below), whose sum is σ = 3136677120. Its totient is φ = 364041216.

The previous prime is 1323099977. The next prime is 1323100007. The reversal of 1323100002 is 2000013231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1323100007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555438 + ... + 557814.

It is an arithmetic number, because the mean of its divisors is an integer number (49010580).

Almost surely, 2^1323100002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323100002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568338560).

1323100002 is an abundant number, since it is smaller than the sum of its proper divisors (1813577118).

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

1323100002 is a wasteful number, since it uses less digits than its factorization.

1323100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1323100002 is about 36374.4416039614. The cubic root of 1323100002 is about 1097.8193720144.

Adding to 1323100002 its reverse (2000013231), we get a palindrome (3323113233).

The spelling of 1323100002 in words is "one billion, three hundred twenty-three million, one hundred thousand, two".