13223314320 has 80 divisors (see below), whose sum is σ = 41486219712. Its totient is φ = 3483727360.

The previous prime is 13223314297. The next prime is 13223314327. The reversal of 13223314320 is 2341332231.

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 (24).

It is not an unprimeable number, because it can be changed into a prime (13223314327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311991 + ... + 351830.

Almost surely, 2^13223314320 is an apocalyptic number.

13223314320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13223314320 is an abundant number, since it is smaller than the sum of its proper divisors (28262905392).

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

13223314320 is a wasteful number, since it uses less digits than its factorization.

13223314320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663920 (or 663914 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13223314320 its reverse (2341332231), we get a palindrome (15564646551).

The spelling of 13223314320 in words is "thirteen billion, two hundred twenty-three million, three hundred fourteen thousand, three hundred twenty".