123846660 has 144 divisors (see below), whose sum is σ = 432222336. Its totient is φ = 28118016.

The previous prime is 123846647. The next prime is 123846673. The reversal of 123846660 is 66648321.

It is an interprime number because it is at equal distance from previous prime (123846647) and next prime (123846673).

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

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, 285804 + ... + 286236.

It is an arithmetic number, because the mean of its divisors is an integer number (3001544).

Almost surely, 2^123846660 is an apocalyptic number.

123846660 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 123846660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216111168).

123846660 is an abundant number, since it is smaller than the sum of its proper divisors (308375676).

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

123846660 is a wasteful number, since it uses less digits than its factorization.

123846660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 123846660 is about 11128.6414265174. The cubic root of 123846660 is about 498.4574593639.

It can be divided in two parts, 12384 and 6660, that added together give a square (19044 = 138²).

The spelling of 123846660 in words is "one hundred twenty-three million, eight hundred forty-six thousand, six hundred sixty".