123344856 has 96 divisors (see below), whose sum is σ = 351973440. Its totient is φ = 40458528.

The previous prime is 123344831. The next prime is 123344863. The reversal of 123344856 is 658443321.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 123344856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129775 + ... + 130721.

It is an arithmetic number, because the mean of its divisors is an integer number (3666390).

Almost surely, 2^123344856 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 123344856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175986720).

123344856 is an abundant number, since it is smaller than the sum of its proper divisors (228628584).

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

123344856 is an equidigital number, since it uses as much as digits as its factorization.

123344856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1019 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 123344856 is about 11106.0729333100. The cubic root of 123344856 is about 497.7833285916.

The spelling of 123344856 in words is "one hundred twenty-three million, three hundred forty-four thousand, eight hundred fifty-six".