2123174633472 has 280 divisors, whose sum is σ = 6350285142432. Its totient is φ = 706904064000.

The previous prime is 2123174633443. The next prime is 2123174633473. The reversal of 2123174633472 is 2743364713212.

2123174633472 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 1 + 7 + 4 + 633 + 4 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123174633473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 903093097 + ... + 903095447.

Almost surely, 2^{2123174633472} 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 2123174633472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3175142571216).

2123174633472 is an abundant number, since it is smaller than the sum of its proper divisors (4227110508960).

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

2123174633472 is an equidigital number, since it uses as much as digits as its factorization.

2123174633472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750 (or 3717 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The spelling of 2123174633472 in words is "two trillion, one hundred twenty-three billion, one hundred seventy-four million, six hundred thirty-three thousand, four hundred seventy-two".