123235221050 has 144 divisors (see below), whose sum is σ = 254851936200. Its totient is φ = 44278640640.

The previous prime is 123235221007. The next prime is 123235221077. The reversal of 123235221050 is 50122532321.

It is a happy number.

123235221050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 36 ways, for example, as 5597882761 + 117637338289 = 74819^2 + 342983^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28334276 + ... + 28338624.

Almost surely, 2^123235221050 is an apocalyptic number.

123235221050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123235221050 is an abundant number, since it is smaller than the sum of its proper divisors (131616715150).

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

123235221050 is a wasteful number, since it uses less digits than its factorization.

123235221050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485 (or 4463 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 123235221050 its reverse (50122532321), we get a palindrome (173357753371).

The spelling of 123235221050 in words is "one hundred twenty-three billion, two hundred thirty-five million, two hundred twenty-one thousand, fifty".