23505023541213 has 48 divisors (see below), whose sum is σ = 34170072393600. Its totient is φ = 15569468006400.

The previous prime is 23505023541193. The next prime is 23505023541229. The reversal of 23505023541213 is 31214532050532.

23505023541213 is a `hidden beast` number, since 2 + 3 + 5 + 0 + 5 + 0 + 235 + 412 + 1 + 3 = 666.

It is not a de Polignac number, because 23505023541213 - 2³³ = 23496433606621 is a prime.

It is a super-2 number, since 2×23505023541213² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23505023541283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5245483933 + ... + 5245488413.

It is an arithmetic number, because the mean of its divisors is an integer number (711876508200).

Almost surely, 2^{23505023541213} is an apocalyptic number.

It is an amenable number.

23505023541213 is a deficient number, since it is larger than the sum of its proper divisors (10665048852387).

23505023541213 is a wasteful number, since it uses less digits than its factorization.

23505023541213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130 (or 8127 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 23505023541213 its reverse (31214532050532), we get a palindrome (54719555591745).

The spelling of 23505023541213 in words is "twenty-three trillion, five hundred five billion, twenty-three million, five hundred forty-one thousand, two hundred thirteen".