23691504601 has 2 divisors, whose sum is σ = 23691504602. Its totient is φ = 23691504600.

The previous prime is 23691504593. The next prime is 23691504631. The reversal of 23691504601 is 10640519632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23485869001 + 205635600 = 153251^2 + 14340^2 .

It is a cyclic number.

It is not a de Polignac number, because 23691504601 - 2³ = 23691504593 is a prime.

It is a super-2 number, since 2×23691504601² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23691504631) 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 as a sum of consecutive naturals, namely, 11845752300 + 11845752301.

It is an arithmetic number, because the mean of its divisors is an integer number (11845752301).

Almost surely, 2^23691504601 is an apocalyptic number.

It is an amenable number.

23691504601 is a deficient number, since it is larger than the sum of its proper divisors (1).

23691504601 is an equidigital number, since it uses as much as digits as its factorization.

23691504601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 23691504601 in words is "twenty-three billion, six hundred ninety-one million, five hundred four thousand, six hundred one".