13323044430 has 80 divisors (see below), whose sum is σ = 35869307760. Its totient is φ = 3548337408.

The previous prime is 13323044429. The next prime is 13323044443. The reversal of 13323044430 is 3444032331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13323044394 and 13323044403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 659926 + ... + 679814.

It is an arithmetic number, because the mean of its divisors is an integer number (448366347).

Almost surely, 2^13323044430 is an apocalyptic number.

13323044430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13323044430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17934653880).

13323044430 is an abundant number, since it is smaller than the sum of its proper divisors (22546263330).

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

13323044430 is a wasteful number, since it uses less digits than its factorization.

13323044430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20735 (or 20726 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 13323044430 its reverse (3444032331), we get a palindrome (16767076761).

The spelling of 13323044430 in words is "thirteen billion, three hundred twenty-three million, forty-four thousand, four hundred thirty".