23405461131205 has 16 divisors (see below), whose sum is σ = 29315000718720. Its totient is φ = 17905809156928.

The previous prime is 23405461131193. The next prime is 23405461131253. The reversal of 23405461131205 is 50213116450432.

It is a cyclic number.

It is not a de Polignac number, because 23405461131205 - 2⁷ = 23405461131077 is a prime.

It is a super-3 number, since 3×23405461131205³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24858262 + ... + 25782631.

It is an arithmetic number, because the mean of its divisors is an integer number (1832187544920).

Almost surely, 2^{23405461131205} is an apocalyptic number.

It is an amenable number.

23405461131205 is a deficient number, since it is larger than the sum of its proper divisors (5909539587515).

23405461131205 is a wasteful number, since it uses less digits than its factorization.

23405461131205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50644940.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 23405461131205 its reverse (50213116450432), we get a palindrome (73618577581637).

The spelling of 23405461131205 in words is "twenty-three trillion, four hundred five billion, four hundred sixty-one million, one hundred thirty-one thousand, two hundred five".