123199080 has 64 divisors (see below), whose sum is σ = 375883200. Its totient is φ = 32294400.

The previous prime is 123199067. The next prime is 123199099. The reversal of 123199080 is 80991321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1621 + ... + 15780.

It is an arithmetic number, because the mean of its divisors is an integer number (5873175).

Almost surely, 2^123199080 is an apocalyptic number.

123199080 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 123199080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187941600).

123199080 is an abundant number, since it is smaller than the sum of its proper divisors (252684120).

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

123199080 is a wasteful number, since it uses less digits than its factorization.

123199080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17474 (or 17470 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 123199080 is about 11099.5080972086. The cubic root of 123199080 is about 497.5871483569.

The spelling of 123199080 in words is "one hundred twenty-three million, one hundred ninety-nine thousand, eighty".