123828851061 has 8 divisors (see below), whose sum is σ = 183450149760. Its totient is φ = 82552567356.

The previous prime is 123828851059. The next prime is 123828851087. The reversal of 123828851061 is 160158828321.

123828851061 is a `hidden beast` number, since 123 + 8 + 2 + 8 + 8 + 510 + 6 + 1 = 666.

It is not a de Polignac number, because 123828851061 - 2¹ = 123828851059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123828850998 and 123828851016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123828851761) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2293126845 + ... + 2293126898.

It is an arithmetic number, because the mean of its divisors is an integer number (22931268720).

Almost surely, 2^123828851061 is an apocalyptic number.

It is an amenable number.

123828851061 is a deficient number, since it is larger than the sum of its proper divisors (59621298699).

123828851061 is an equidigital number, since it uses as much as digits as its factorization.

123828851061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586253752 (or 4586253746 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 123828851061 in words is "one hundred twenty-three billion, eight hundred twenty-eight million, eight hundred fifty-one thousand, sixty-one".