123880180 has 24 divisors (see below), whose sum is σ = 260457120. Its totient is φ = 49493280.

The previous prime is 123880177. The next prime is 123880187. The reversal of 123880180 is 81088321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123880187) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16231 + ... + 22609.

It is an arithmetic number, because the mean of its divisors is an integer number (10852380).

Almost surely, 2^123880180 is an apocalyptic number.

123880180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123880180 is an abundant number, since it is smaller than the sum of its proper divisors (136576940).

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

123880180 is a wasteful number, since it uses less digits than its factorization.

123880180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7359 (or 7357 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 123880180 is about 11130.1473485305. The cubic root of 123880180 is about 498.5024256872.

It can be divided in two parts, 1238 and 80180, that added together give a palindrome (81418).

The spelling of 123880180 in words is "one hundred twenty-three million, eight hundred eighty thousand, one hundred eighty".