23565011625 has 48 divisors (see below), whose sum is σ = 42658087680. Its totient is φ = 12515277600.

The previous prime is 23565011623. The next prime is 23565011651. The reversal of 23565011625 is 52611056532.

23565011625 is a `hidden beast` number, since 23 + 5 + 6 + 5 + 0 + 1 + 1 + 625 = 666.

It is not a de Polignac number, because 23565011625 - 2¹ = 23565011623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23565011625.

It is not an unprimeable number, because it can be changed into a prime (23565011623) 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, 225054 + ... + 312696.

It is an arithmetic number, because the mean of its divisors is an integer number (888710160).

Almost surely, 2^23565011625 is an apocalyptic number.

23565011625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23565011625 is a deficient number, since it is larger than the sum of its proper divisors (19093076055).

23565011625 is a wasteful number, since it uses less digits than its factorization.

23565011625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87903 (or 87890 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 23565011625 in words is "twenty-three billion, five hundred sixty-five million, eleven thousand, six hundred twenty-five".