23645363141185 has 4 divisors (see below), whose sum is σ = 28374435769428. Its totient is φ = 18916290512944.

The previous prime is 23645363141143. The next prime is 23645363141189. The reversal of 23645363141185 is 58114136354632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9880906978881 + 13764456162304 = 3143391^2 + 3710048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23645363141185 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23645363141189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364536314114 + ... + 2364536314123.

It is an arithmetic number, because the mean of its divisors is an integer number (7093608942357).

Almost surely, 2^{23645363141185} is an apocalyptic number.

It is an amenable number.

23645363141185 is a deficient number, since it is larger than the sum of its proper divisors (4729072628243).

23645363141185 is an equidigital number, since it uses as much as digits as its factorization.

23645363141185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729072628242.

The product of its digits is 6220800, while the sum is 52.

The spelling of 23645363141185 in words is "twenty-three trillion, six hundred forty-five billion, three hundred sixty-three million, one hundred forty-one thousand, one hundred eighty-five".