23807632745 has 16 divisors (see below), whose sum is σ = 32576599440. Its totient is φ = 16546842624.

The previous prime is 23807632733. The next prime is 23807632763. The reversal of 23807632745 is 54723670832.

It can be written as a sum of positive squares in 8 ways, for example, as 4291822144 + 19515810601 = 65512^2 + 139699^2 .

It is not a de Polignac number, because 23807632745 - 2²⁰ = 23806584169 is a prime.

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 23807632745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10771580 + ... + 10773789.

It is an arithmetic number, because the mean of its divisors is an integer number (2036037465).

Almost surely, 2^23807632745 is an apocalyptic number.

It is an amenable number.

23807632745 is a deficient number, since it is larger than the sum of its proper divisors (8768966695).

23807632745 is a wasteful number, since it uses less digits than its factorization.

23807632745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21545404.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 23807632745 in words is "twenty-three billion, eight hundred seven million, six hundred thirty-two thousand, seven hundred forty-five".