13221123323000 has 64 divisors (see below), whose sum is σ = 30941720409600. Its totient is φ = 5287715683200.

The previous prime is 13221123322991. The next prime is 13221123323063. The reversal of 13221123323000 is 32332112231.

It is a congruent number.

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, 6323561 + ... + 8150439.

It is an arithmetic number, because the mean of its divisors is an integer number (483464381400).

Almost surely, 2^{13221123323000} is an apocalyptic number.

13221123323000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13221123323000 is an abundant number, since it is smaller than the sum of its proper divisors (17720597086600).

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

13221123323000 is a wasteful number, since it uses less digits than its factorization.

13221123323000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834137 (or 1834123 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13221123323000 its reverse (32332112231), we get a palindrome (13253455435231).

The spelling of 13221123323000 in words is "thirteen trillion, two hundred twenty-one billion, one hundred twenty-three million, three hundred twenty-three thousand".