23130020205 has 40 divisors (see below), whose sum is σ = 41711104512. Its totient is φ = 12262106592.

The previous prime is 23130020189. The next prime is 23130020213. The reversal of 23130020205 is 50202003132.

It is not a de Polignac number, because 23130020205 - 2⁴ = 23130020189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 103357 + ... + 238626.

Almost surely, 2^23130020205 is an apocalyptic number.

It is an amenable number.

23130020205 is a deficient number, since it is larger than the sum of its proper divisors (18581084307).

23130020205 is a wasteful number, since it uses less digits than its factorization.

23130020205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342167 (or 342158 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 23130020205 its reverse (50202003132), we get a palindrome (73332023337).

The spelling of 23130020205 in words is "twenty-three billion, one hundred thirty million, twenty thousand, two hundred five".