123850540 has 48 divisors (see below), whose sum is σ = 285513984. Its totient is φ = 44753600.

The previous prime is 123850537. The next prime is 123850541. The reversal of 123850540 is 45058321.

It is a junction number, because it is equal to n+sod(n) for n = 123850499 and 123850508.

It is not an unprimeable number, because it can be changed into a prime (123850541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35055 + ... + 38425.

It is an arithmetic number, because the mean of its divisors is an integer number (5948208).

Almost surely, 2^123850540 is an apocalyptic number.

123850540 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 123850540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142756992).

123850540 is an abundant number, since it is smaller than the sum of its proper divisors (161663444).

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

123850540 is a wasteful number, since it uses less digits than its factorization.

123850540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558 (or 3556 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 123850540 is about 11128.8157501147. The cubic root of 123850540 is about 498.4626647115.

The spelling of 123850540 in words is "one hundred twenty-three million, eight hundred fifty thousand, five hundred forty".