23410220370205 has 4 divisors (see below), whose sum is σ = 28092264444252. Its totient is φ = 18728176296160.

The previous prime is 23410220370181. The next prime is 23410220370241. The reversal of 23410220370205 is 50207302201432.

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 8311423766116 + 15098796604089 = 2882954^2 + 3885717^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23410220370205 is a prime.

It is a super-2 number, since 2×23410220370205² (a number of 28 digits) contains 22 as substring.

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, 2341022037016 + ... + 2341022037025.

It is an arithmetic number, because the mean of its divisors is an integer number (7023066111063).

Almost surely, 2^{23410220370205} is an apocalyptic number.

It is an amenable number.

23410220370205 is a deficient number, since it is larger than the sum of its proper divisors (4682044074047).

23410220370205 is an equidigital number, since it uses as much as digits as its factorization.

23410220370205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682044074046.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 23410220370205 its reverse (50207302201432), we get a palindrome (73617522571637).

The spelling of 23410220370205 in words is "twenty-three trillion, four hundred ten billion, two hundred twenty million, three hundred seventy thousand, two hundred five".