123618085 has 8 divisors (see below), whose sum is σ = 156149280. Its totient is φ = 93689424.

The previous prime is 123618023. The next prime is 123618107. The reversal of 123618085 is 580816321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123618085 - 2⁹ = 123617573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123618085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650527 + ... + 650716.

It is an arithmetic number, because the mean of its divisors is an integer number (19518660).

Almost surely, 2^123618085 is an apocalyptic number.

It is an amenable number.

123618085 is a deficient number, since it is larger than the sum of its proper divisors (32531195).

123618085 is a wasteful number, since it uses less digits than its factorization.

123618085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301267.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 123618085 is about 11118.3670113916. The cubic root of 123618085 is about 498.1506146481.

It can be divided in two parts, 1236 and 18085, that added together give a square (19321 = 139²).

The spelling of 123618085 in words is "one hundred twenty-three million, six hundred eighteen thousand, eighty-five".