123450085 has 24 divisors (see below), whose sum is σ = 168979104. Its totient is φ = 85858080.

The previous prime is 123450079. The next prime is 123450097. The reversal of 123450085 is 580054321.

It is not a de Polignac number, because 123450085 - 2⁷ = 123449957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 26974 + ... + 31216.

It is an arithmetic number, because the mean of its divisors is an integer number (7040796).

Almost surely, 2^123450085 is an apocalyptic number.

It is an amenable number.

123450085 is a deficient number, since it is larger than the sum of its proper divisors (45529019).

123450085 is a wasteful number, since it uses less digits than its factorization.

123450085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305 (or 4282 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 123450085 is about 11110.8093764586. The cubic root of 123450085 is about 497.9248460537.

The spelling of 123450085 in words is "one hundred twenty-three million, four hundred fifty thousand, eighty-five".