123880456 has 64 divisors (see below), whose sum is σ = 281462400. Its totient is φ = 49932288.

The previous prime is 123880423. The next prime is 123880481. The reversal of 123880456 is 654088321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183736 + ... + 184408.

It is an arithmetic number, because the mean of its divisors is an integer number (4397850).

Almost surely, 2^123880456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123880456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140731200).

123880456 is an abundant number, since it is smaller than the sum of its proper divisors (157581944).

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

123880456 is a wasteful number, since it uses less digits than its factorization.

123880456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 123880456 is about 11130.1597472813. The cubic root of 123880456 is about 498.5027959013.

The spelling of 123880456 in words is "one hundred twenty-three million, eight hundred eighty thousand, four hundred fifty-six".