13323023120 has 80 divisors (see below), whose sum is σ = 34126833600. Its totient is φ = 4796736000.

The previous prime is 13323023107. The next prime is 13323023141. The reversal of 13323023120 is 2132032331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13323023092 and 13323023101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13931 + ... + 163829.

It is an arithmetic number, because the mean of its divisors is an integer number (426585420).

Almost surely, 2^13323023120 is an apocalyptic number.

13323023120 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 13323023120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17063416800).

13323023120 is an abundant number, since it is smaller than the sum of its proper divisors (20803810480).

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

13323023120 is a wasteful number, since it uses less digits than its factorization.

13323023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150024 (or 150018 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13323023120 its reverse (2132032331), we get a palindrome (15455055451).

The spelling of 13323023120 in words is "thirteen billion, three hundred twenty-three million, twenty-three thousand, one hundred twenty".