120843623040 has 256 divisors, whose sum is σ = 450955088640. Its totient is φ = 26947584000.

The previous prime is 120843623039. The next prime is 120843623101. The reversal of 120843623040 is 40326348021.

It is a junction number, because it is equal to n+sod(n) for n = 120843622992 and 120843623010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441390 + ... + 660690.

It is an arithmetic number, because the mean of its divisors is an integer number (1761543315).

Almost surely, 2^120843623040 is an apocalyptic number.

120843623040 is a gapful number since it is divisible by the number (10) 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 120843623040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225477544320).

120843623040 is an abundant number, since it is smaller than the sum of its proper divisors (330111465600).

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

120843623040 is a wasteful number, since it uses less digits than its factorization.

120843623040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219371 (or 219359 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 120843623040 in words is "one hundred twenty billion, eight hundred forty-three million, six hundred twenty-three thousand, forty".