123683284125 has 40 divisors (see below), whose sum is σ = 230582307384. Its totient is φ = 65964412800.

The previous prime is 123683284121. The next prime is 123683284187. The reversal of 123683284125 is 521482386321.

123683284125 is a `hidden beast` number, since 1 + 2 + 368 + 3 + 284 + 1 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5750795556 + 117932488569 = 75834^2 + 343413^2 .

It is not a de Polignac number, because 123683284125 - 2² = 123683284121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123683284121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6097692 + ... + 6117941.

Almost surely, 2^123683284125 is an apocalyptic number.

123683284125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123683284125 is a deficient number, since it is larger than the sum of its proper divisors (106899023259).

123683284125 is an equidigital number, since it uses as much as digits as its factorization.

123683284125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12215660 (or 12215641 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 123683284125 in words is "one hundred twenty-three billion, six hundred eighty-three million, two hundred eighty-four thousand, one hundred twenty-five".