123323916913500 has 192 divisors, whose sum is σ = 371174402761344. Its totient is φ = 31793748480000.

The previous prime is 123323916913471. The next prime is 123323916913501. The reversal of 123323916913500 is 5319619323321.

It is a self number, because there is not a number n which added to its sum of digits gives 123323916913500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123323916913501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1636900 + ... + 15790100.

It is an arithmetic number, because the mean of its divisors is an integer number (1933200014382).

Almost surely, 2^{123323916913500} is an apocalyptic number.

123323916913500 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 123323916913500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185587201380672).

123323916913500 is an abundant number, since it is smaller than the sum of its proper divisors (247850485847844).

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

123323916913500 is a wasteful number, since it uses less digits than its factorization.

123323916913500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14153417 (or 14153405 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 48.

The spelling of 123323916913500 in words is "one hundred twenty-three trillion, three hundred twenty-three billion, nine hundred sixteen million, nine hundred thirteen thousand, five hundred".