23315704143205 has 4 divisors (see below), whose sum is σ = 27978844971852. Its totient is φ = 18652563314560.

The previous prime is 23315704143181. The next prime is 23315704143217. The reversal of 23315704143205 is 50234140751332.

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 6894268981636 + 16421435161569 = 2625694^2 + 4052337^2 .

It is not a de Polignac number, because 23315704143205 - 2¹⁵ = 23315704110437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2331570414316 + ... + 2331570414325.

It is an arithmetic number, because the mean of its divisors is an integer number (6994711242963).

Almost surely, 2^{23315704143205} is an apocalyptic number.

It is an amenable number.

23315704143205 is a deficient number, since it is larger than the sum of its proper divisors (4663140828647).

23315704143205 is an equidigital number, since it uses as much as digits as its factorization.

23315704143205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663140828646.

The product of its (nonzero) digits is 302400, while the sum is 40.

Adding to 23315704143205 its reverse (50234140751332), we get a palindrome (73549844894537).

The spelling of 23315704143205 in words is "twenty-three trillion, three hundred fifteen billion, seven hundred four million, one hundred forty-three thousand, two hundred five".