2123230233312 has 216 divisors, whose sum is σ = 6386534665056. Its totient is φ = 669011622912.

The previous prime is 2123230233301. The next prime is 2123230233329. The reversal of 2123230233312 is 2133320323212.

2123230233312 is a `hidden beast` number, since 2 + 1 + 2 + 323 + 0 + 2 + 3 + 331 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 47491033 + ... + 47535719.

It is an arithmetic number, because the mean of its divisors is an integer number (29567290116).

Almost surely, 2^{2123230233312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123230233312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3193267332528).

2123230233312 is an abundant number, since it is smaller than the sum of its proper divisors (4263304431744).

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

2123230233312 is a wasteful number, since it uses less digits than its factorization.

2123230233312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45198 (or 45168 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 2123230233312 its reverse (2133320323212), we get a palindrome (4256550556524).

The spelling of 2123230233312 in words is "two trillion, one hundred twenty-three billion, two hundred thirty million, two hundred thirty-three thousand, three hundred twelve".