23236604661 has 16 divisors (see below), whose sum is σ = 31342356864. Its totient is φ = 15311933184.

The previous prime is 23236604653. The next prime is 23236604701. The reversal of 23236604661 is 16640663232.

It is not a de Polignac number, because 23236604661 - 2³ = 23236604653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23236604861) by changing a digit.

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, 25561 + ... + 217086.

It is an arithmetic number, because the mean of its divisors is an integer number (1958897304).

Almost surely, 2^23236604661 is an apocalyptic number.

It is an amenable number.

23236604661 is a deficient number, since it is larger than the sum of its proper divisors (8105752203).

23236604661 is a wasteful number, since it uses less digits than its factorization.

23236604661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243020.

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 23236604661 in words is "twenty-three billion, two hundred thirty-six million, six hundred four thousand, six hundred sixty-one".