123588250985 has 32 divisors (see below), whose sum is σ = 156580300800. Its totient is φ = 93539888640.

The previous prime is 123588250843. The next prime is 123588250993. The reversal of 123588250985 is 589052885321.

It is not a de Polignac number, because 123588250985 - 2¹⁶ = 123588185449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123588250985.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 991376 + ... + 1109054.

It is an arithmetic number, because the mean of its divisors is an integer number (4893134400).

Almost surely, 2^123588250985 is an apocalyptic number.

It is an amenable number.

123588250985 is a deficient number, since it is larger than the sum of its proper divisors (32992049815).

123588250985 is a wasteful number, since it uses less digits than its factorization.

123588250985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117881.

The product of its (nonzero) digits is 6912000, while the sum is 56.

The spelling of 123588250985 in words is "one hundred twenty-three billion, five hundred eighty-eight million, two hundred fifty thousand, nine hundred eighty-five".