2123130417408 has 1728 divisors, whose sum is σ = 8737540761600. Its totient is φ = 499740917760.

The previous prime is 2123130417403. The next prime is 2123130417497. The reversal of 2123130417408 is 8047140313212.

2123130417408 is a `hidden beast` number, since 2 + 1 + 231 + 3 + 0 + 4 + 17 + 408 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2123130417403) 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 191 ways as a sum of consecutive naturals, for example, 2857510285 + ... + 2857511027.

It is an arithmetic number, because the mean of its divisors is an integer number (5056447200).

Almost surely, 2^{2123130417408} is an apocalyptic number.

2123130417408 is a gapful number since it is divisible by the number (28) 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 2123130417408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4368770380800).

2123130417408 is an abundant number, since it is smaller than the sum of its proper divisors (6614410344192).

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

2123130417408 is a wasteful number, since it uses less digits than its factorization.

2123130417408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 2123130417408 in words is "two trillion, one hundred twenty-three billion, one hundred thirty million, four hundred seventeen thousand, four hundred eight".