13323444100 has 72 divisors (see below), whose sum is σ = 30459682400. Its totient is φ = 5044550400.

The previous prime is 13323444067. The next prime is 13323444149. The reversal of 13323444100 is 144432331.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 2997880 + ... + 3002320.

Almost surely, 2^13323444100 is an apocalyptic number.

13323444100 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 13323444100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15229841200).

13323444100 is an abundant number, since it is smaller than the sum of its proper divisors (17136238300).

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

13323444100 is a wasteful number, since it uses less digits than its factorization.

13323444100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6053 (or 6046 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13323444100 its reverse (144432331), we get a palindrome (13467876431).

The spelling of 13323444100 in words is "thirteen billion, three hundred twenty-three million, four hundred forty-four thousand, one hundred".