123873850 has 24 divisors (see below), whose sum is σ = 232789788. Its totient is φ = 49036800.

The previous prime is 123873847. The next prime is 123873851. The reversal of 123873850 is 58378321.

It can be written as a sum of positive squares in 6 ways, for example, as 38551681 + 85322169 = 6209^2 + 9237^2 .

It is not an unprimeable number, because it can be changed into a prime (123873851) 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 11 ways as a sum of consecutive naturals, for example, 7921 + ... + 17620.

Almost surely, 2^123873850 is an apocalyptic number.

123873850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123873850 is a deficient number, since it is larger than the sum of its proper divisors (108915938).

123873850 is a wasteful number, since it uses less digits than its factorization.

123873850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25650 (or 25645 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 123873850 is about 11129.8629820856. The cubic root of 123873850 is about 498.4939347564.

It can be divided in two parts, 1238738 and 50, that multiplied together give a square (61936900 = 7870²).

The spelling of 123873850 in words is "one hundred twenty-three million, eight hundred seventy-three thousand, eight hundred fifty".