23105531133 has 6 divisors (see below), whose sum is σ = 33374656094. Its totient is φ = 15403687416.

The previous prime is 23105531131. The next prime is 23105531161. The reversal of 23105531133 is 33113550132.

23105531133 is a `hidden beast` number, since 2 + 310 + 5 + 5 + 311 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16568323524 + 6537207609 = 128718^2 + 80853^2 .

It is not a de Polignac number, because 23105531133 - 2¹ = 23105531131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23105531097 and 23105531106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23105531131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1283640610 + ... + 1283640627.

Almost surely, 2^23105531133 is an apocalyptic number.

It is an amenable number.

23105531133 is a deficient number, since it is larger than the sum of its proper divisors (10269124961).

23105531133 is a wasteful number, since it uses less digits than its factorization.

23105531133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567281243 (or 2567281240 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The spelling of 23105531133 in words is "twenty-three billion, one hundred five million, five hundred thirty-one thousand, one hundred thirty-three".