123873036 has 96 divisors (see below), whose sum is σ = 344762880. Its totient is φ = 33868800.

The previous prime is 123873023. The next prime is 123873083. The reversal of 123873036 is 630378321.

It is a junction number, because it is equal to n+sod(n) for n = 123872988 and 123873006.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513876 + ... + 514116.

It is an arithmetic number, because the mean of its divisors is an integer number (3591280).

Almost surely, 2^123873036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123873036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172381440).

123873036 is an abundant number, since it is smaller than the sum of its proper divisors (220889844).

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

123873036 is a wasteful number, since it uses less digits than its factorization.

123873036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 123873036 is about 11129.8264137407. The cubic root of 123873036 is about 498.4928428527.

The spelling of 123873036 in words is "one hundred twenty-three million, eight hundred seventy-three thousand, thirty-six".