102358323685 has 4 divisors (see below), whose sum is σ = 122829988428. Its totient is φ = 81886658944.

The previous prime is 102358323611. The next prime is 102358323689. The reversal of 102358323685 is 586323853201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 586323853201 = 278717 ⋅2103653.

It can be written as a sum of positive squares in 2 ways, for example, as 76999035169 + 25359288516 = 277487^2 + 159246^2 .

It is a cyclic number.

It is not a de Polignac number, because 102358323685 - 2¹⁵ = 102358290917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102358323689) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10235832364 + ... + 10235832373.

It is an arithmetic number, because the mean of its divisors is an integer number (30707497107).

Almost surely, 2^102358323685 is an apocalyptic number.

It is an amenable number.

102358323685 is a deficient number, since it is larger than the sum of its proper divisors (20471664743).

102358323685 is an equidigital number, since it uses as much as digits as its factorization.

102358323685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20471664742.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 102358323685 in words is "one hundred two billion, three hundred fifty-eight million, three hundred twenty-three thousand, six hundred eighty-five".