4123556056320 has 144 divisors (see below), whose sum is σ = 13944290149440. Its totient is φ = 1034931699712.

The previous prime is 4123556056309. The next prime is 4123556056381. The reversal of 4123556056320 is 236506553214.

It is a happy number.

It is a super-2 number, since 2×4123556056320² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31518330 + ... + 31648889.

It is an arithmetic number, because the mean of its divisors is an integer number (96835348260).

Almost surely, 2^{4123556056320} is an apocalyptic number.

4123556056320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4123556056320 is an abundant number, since it is smaller than the sum of its proper divisors (9820734093120).

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

4123556056320 is a wasteful number, since it uses less digits than its factorization.

4123556056320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63167260 (or 63167246 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 4123556056320 in words is "four trillion, one hundred twenty-three billion, five hundred fifty-six million, fifty-six thousand, three hundred twenty".