13123112223320 has 96 divisors (see below), whose sum is σ = 32673122874000. Its totient is φ = 4740013428480.

The previous prime is 13123112223317. The next prime is 13123112223337. The reversal of 13123112223320 is 2332221132131.

It is a self number, because there is not a number n which added to its sum of digits gives 13123112223320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8377454 + ... + 9819773.

Almost surely, 2^{13123112223320} is an apocalyptic number.

13123112223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123112223320 is an abundant number, since it is smaller than the sum of its proper divisors (19550010650680).

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

13123112223320 is a wasteful number, since it uses less digits than its factorization.

13123112223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18197409 (or 18197394 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 13123112223320 its reverse (2332221132131), we get a palindrome (15455333355451).

The spelling of 13123112223320 in words is "thirteen trillion, one hundred twenty-three billion, one hundred twelve million, two hundred twenty-three thousand, three hundred twenty".