1323011100 has 72 divisors (see below), whose sum is σ = 3916971520. Its totient is φ = 344594880.

The previous prime is 1323011093. The next prime is 1323011141. The reversal of 1323011100 is 11103231.

1323011100 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 38380 + ... + 64179.

Almost surely, 2^1323011100 is an apocalyptic number.

1323011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323011100 is an abundant number, since it is smaller than the sum of its proper divisors (2593960420).

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

1323011100 is a wasteful number, since it uses less digits than its factorization.

1323011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102619 (or 102612 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1323011100 is about 36373.2195440547. The cubic root of 1323011100 is about 1097.7947831641.

Adding to 1323011100 its reverse (11103231), we get a palindrome (1334114331).

The spelling of 1323011100 in words is "one billion, three hundred twenty-three million, eleven thousand, one hundred".