123256084708 has 24 divisors (see below), whose sum is σ = 228414923352. Its totient is φ = 57995587584.

The previous prime is 123256084673. The next prime is 123256084709. The reversal of 123256084708 is 807480652321.

It can be written as a sum of positive squares in 4 ways, for example, as 36023280804 + 87232803904 = 189798^2 + 295352^2 .

It is not an unprimeable number, because it can be changed into a prime (123256084709) 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 7 ways as a sum of consecutive naturals, for example, 453016 + ... + 672112.

It is an arithmetic number, because the mean of its divisors is an integer number (9517288473).

Almost surely, 2^123256084708 is an apocalyptic number.

It is an amenable number.

123256084708 is a deficient number, since it is larger than the sum of its proper divisors (105158838644).

123256084708 is a wasteful number, since it uses less digits than its factorization.

123256084708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227391 (or 227389 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 123256084708 in words is "one hundred twenty-three billion, two hundred fifty-six million, eighty-four thousand, seven hundred eight".