1326323600 has 120 divisors (see below), whose sum is σ = 3666991488. Its totient is φ = 451584000.

The previous prime is 1326323587. The next prime is 1326323639. The reversal of 1326323600 is 63236231.

It is a self number, because there is not a number n which added to its sum of digits gives 1326323600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421232 + ... + 424368.

Almost surely, 2^1326323600 is an apocalyptic number.

1326323600 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 1326323600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1833495744).

1326323600 is an abundant number, since it is smaller than the sum of its proper divisors (2340667888).

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

1326323600 is a wasteful number, since it uses less digits than its factorization.

1326323600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313 (or 3302 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 1326323600 is about 36418.7259524547. The cubic root of 1326323600 is about 1098.7102238350.

Adding to 1326323600 its reverse (63236231), we get a palindrome (1389559831).

It can be divided in two parts, 13263 and 23600, that added together give a palindrome (36863).

The spelling of 1326323600 in words is "one billion, three hundred twenty-six million, three hundred twenty-three thousand, six hundred".