18358233323085 has 12 divisors (see below), whose sum is σ = 31820937760092. Its totient is φ = 9791057772288.

The previous prime is 18358233323069. The next prime is 18358233323173. The reversal of 18358233323085 is 58032333285381.

18358233323085 is a `hidden beast` number, since 1 + 8 + 3 + 5 + 8 + 233 + 323 + 0 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5698847975076 + 12659385348009 = 2387226^2 + 3558003^2 .

It is not a de Polignac number, because 18358233323085 - 2⁴ = 18358233323069 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203980370212 + ... + 203980370301.

It is an arithmetic number, because the mean of its divisors is an integer number (2651744813341).

Almost surely, 2^{18358233323085} is an apocalyptic number.

18358233323085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18358233323085 is a deficient number, since it is larger than the sum of its proper divisors (13462704437007).

18358233323085 is a wasteful number, since it uses less digits than its factorization.

18358233323085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407960740524 (or 407960740521 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 18358233323085 in words is "eighteen trillion, three hundred fifty-eight billion, two hundred thirty-three million, three hundred twenty-three thousand, eighty-five".