23565560673 has 12 divisors (see below), whose sum is σ = 33076097840. Its totient is φ = 14882780016.

The previous prime is 23565560663. The next prime is 23565560699. The reversal of 23565560673 is 37606556532.

It is not a de Polignac number, because 23565560673 - 2¹² = 23565556577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23565560663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1148815 + ... + 1169147.

Almost surely, 2^23565560673 is an apocalyptic number.

It is an amenable number.

23565560673 is a deficient number, since it is larger than the sum of its proper divisors (9510537167).

23565560673 is an frugal number, since it uses more digits than its factorization.

23565560673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40688 (or 20355 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 48.

The spelling of 23565560673 in words is "twenty-three billion, five hundred sixty-five million, five hundred sixty thousand, six hundred seventy-three".