123023311111200 has 576 divisors, whose sum is σ = 404977559777280. Its totient is φ = 32437139005440.

The previous prime is 123023311111193. The next prime is 123023311111201. The reversal of 123023311111200 is 2111113320321.

It is not an unprimeable number, because it can be changed into a prime (123023311111201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 92707844937 + ... + 92707846263.

It is an arithmetic number, because the mean of its divisors is an integer number (703086041280).

Almost surely, 2^{123023311111200} is an apocalyptic number.

123023311111200 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 123023311111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202488779888640).

123023311111200 is an abundant number, since it is smaller than the sum of its proper divisors (281954248666080).

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

123023311111200 is a wasteful number, since it uses less digits than its factorization.

123023311111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 123023311111200 its reverse (2111113320321), we get a palindrome (125134424431521).

The spelling of 123023311111200 in words is "one hundred twenty-three trillion, twenty-three billion, three hundred eleven million, one hundred eleven thousand, two hundred".