123323112100000 has 288 divisors, whose sum is σ = 307956671511552. Its totient is φ = 48601555200000.

The previous prime is 123323112099991. The next prime is 123323112100057. The reversal of 123323112100000 is 1211323321.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7234291477 + ... + 7234308523.

It is an arithmetic number, because the mean of its divisors is an integer number (1069293998304).

Almost surely, 2^{123323112100000} is an apocalyptic number.

123323112100000 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 123323112100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153978335755776).

123323112100000 is an abundant number, since it is smaller than the sum of its proper divisors (184633559411552).

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

123323112100000 is an frugal number, since it uses more digits than its factorization.

123323112100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18146 (or 18118 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123323112100000 its reverse (1211323321), we get a palindrome (123324323423321).

The spelling of 123323112100000 in words is "one hundred twenty-three trillion, three hundred twenty-three billion, one hundred twelve million, one hundred thousand".