23106845565 has 64 divisors (see below), whose sum is σ = 42444564480. Its totient is φ = 11914698240.

The previous prime is 23106845537. The next prime is 23106845579. The reversal of 23106845565 is 56554860132.

23106845565 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 6 + 84 + 5 + 565 = 666.

It is not a de Polignac number, because 23106845565 - 2³² = 18811878269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23106845565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5995179 + ... + 5999031.

It is an arithmetic number, because the mean of its divisors is an integer number (663196320).

Almost surely, 2^23106845565 is an apocalyptic number.

It is an amenable number.

23106845565 is a deficient number, since it is larger than the sum of its proper divisors (19337718915).

23106845565 is a wasteful number, since it uses less digits than its factorization.

23106845565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331 (or 5325 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 23106845565 in words is "twenty-three billion, one hundred six million, eight hundred forty-five thousand, five hundred sixty-five".