23122523205 has 12 divisors (see below), whose sum is σ = 40079040300. Its totient is φ = 12332012352.

The previous prime is 23122523167. The next prime is 23122523227. The reversal of 23122523205 is 50232522132.

23122523205 is a `hidden beast` number, since 2 + 312 + 25 + 2 + 320 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10264323969 + 12858199236 = 101313^2 + 113394^2 .

It is not a de Polignac number, because 23122523205 - 2⁶ = 23122523141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256916880 + ... + 256916969.

It is an arithmetic number, because the mean of its divisors is an integer number (3339920025).

Almost surely, 2^23122523205 is an apocalyptic number.

It is an amenable number.

23122523205 is a deficient number, since it is larger than the sum of its proper divisors (16956517095).

23122523205 is a wasteful number, since it uses less digits than its factorization.

23122523205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513833860 (or 513833857 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 23122523205 in words is "twenty-three billion, one hundred twenty-two million, five hundred twenty-three thousand, two hundred five".