123873210 has 96 divisors (see below), whose sum is σ = 344148480. Its totient is φ = 30844800.

The previous prime is 123873187. The next prime is 123873221. The reversal of 123873210 is 12378321.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80145 + ... + 81675.

It is an arithmetic number, because the mean of its divisors is an integer number (3584880).

Almost surely, 2^123873210 is an apocalyptic number.

123873210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123873210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172074240).

123873210 is an abundant number, since it is smaller than the sum of its proper divisors (220275270).

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

123873210 is a wasteful number, since it uses less digits than its factorization.

123873210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 123873210 is about 11129.8342305715. The cubic root of 123873210 is about 498.4930762576.

The spelling of 123873210 in words is "one hundred twenty-three million, eight hundred seventy-three thousand, two hundred ten".