230028118685 has 16 divisors (see below), whose sum is σ = 292331476656. Its totient is φ = 173161817088.

The previous prime is 230028118631. The next prime is 230028118693. The reversal of 230028118685 is 586811820032.

It can be written as a sum of positive squares in 8 ways, for example, as 1435121689 + 228592996996 = 37883^2 + 478114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230028118685 is a prime.

It is a super-2 number, since 2×230028118685² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137099 + ... + 691991.

It is an arithmetic number, because the mean of its divisors is an integer number (18270717291).

Almost surely, 2^230028118685 is an apocalyptic number.

It is an amenable number.

230028118685 is a deficient number, since it is larger than the sum of its proper divisors (62303357971).

230028118685 is a wasteful number, since it uses less digits than its factorization.

230028118685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559792.

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 230028118685 in words is "two hundred thirty billion, twenty-eight million, one hundred eighteen thousand, six hundred eighty-five".