13223123320 has 32 divisors (see below), whose sum is σ = 32456758320. Its totient is φ = 4808408320.

The previous prime is 13223123317. The next prime is 13223123327. The reversal of 13223123320 is 2332132231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13223123291 and 13223123300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223123327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15025837 + ... + 15026716.

Almost surely, 2^13223123320 is an apocalyptic number.

13223123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13223123320 is an abundant number, since it is smaller than the sum of its proper divisors (19233635000).

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

13223123320 is a wasteful number, since it uses less digits than its factorization.

13223123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30052575 (or 30052571 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13223123320 its reverse (2332132231), we get a palindrome (15555255551).

It can be divided in two parts, 132231 and 23320, that added together give a palindrome (155551).

The spelling of 13223123320 in words is "thirteen billion, two hundred twenty-three million, one hundred twenty-three thousand, three hundred twenty".