123983860 has 144 divisors (see below), whose sum is σ = 352856448. Its totient is φ = 35608320.

The previous prime is 123983833. The next prime is 123983887. The reversal of 123983860 is 68389321.

It is an interprime number because it is at equal distance from previous prime (123983833) and next prime (123983887).

It is a congruent number.

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, 219939 + ... + 220501.

It is an arithmetic number, because the mean of its divisors is an integer number (2450392).

Almost surely, 2^123983860 is an apocalyptic number.

123983860 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 123983860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176428224).

123983860 is an abundant number, since it is smaller than the sum of its proper divisors (228872588).

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

123983860 is a wasteful number, since it uses less digits than its factorization.

123983860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 123983860 is about 11134.8039946826. The cubic root of 123983860 is about 498.6414587411.

The spelling of 123983860 in words is "one hundred twenty-three million, nine hundred eighty-three thousand, eight hundred sixty".