4123957888512 has 600 divisors, whose sum is σ = 15620320358280. Its totient is φ = 1071152087040.

The previous prime is 4123957888459. The next prime is 4123957888513. The reversal of 4123957888512 is 2158887593214.

4123957888512 is a `hidden beast` number, since 4 + 1 + 2 + 3 + 9 + 578 + 8 + 8 + 51 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 4123957888512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123957888513) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 22261164 + ... + 22445652.

Almost surely, 2^{4123957888512} is an apocalyptic number.

4123957888512 is a gapful number since it is divisible by the number (42) 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 4123957888512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7810160179140).

4123957888512 is an abundant number, since it is smaller than the sum of its proper divisors (11496362469768).

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

4123957888512 is a wasteful number, since it uses less digits than its factorization.

4123957888512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184544 (or 184512 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 63.

The spelling of 4123957888512 in words is "four trillion, one hundred twenty-three billion, nine hundred fifty-seven million, eight hundred eighty-eight thousand, five hundred twelve".