108123840 has 168 divisors, whose sum is σ = 405829008. Its totient is φ = 26204160.

The previous prime is 108123823. The next prime is 108123853. The reversal of 108123840 is 48321801.

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 23 ways as a sum of consecutive naturals, for example, 29974 + ... + 33386.

Almost surely, 2^108123840 is an apocalyptic number.

108123840 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 108123840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202914504).

108123840 is an abundant number, since it is smaller than the sum of its proper divisors (297705168).

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

108123840 is a wasteful number, since it uses less digits than its factorization.

108123840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447 (or 3434 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 108123840 is about 10398.2613931368. The cubic root of 108123840 is about 476.4022680492.

The spelling of 108123840 in words is "one hundred eight million, one hundred twenty-three thousand, eight hundred forty".