23205533601 has 4 divisors (see below), whose sum is σ = 30940711472. Its totient is φ = 15470355732.

The previous prime is 23205533591. The next prime is 23205533627. The reversal of 23205533601 is 10633550232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23205533601 - 2⁶ = 23205533537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23205533641) 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 3 ways as a sum of consecutive naturals, for example, 3867588931 + ... + 3867588936.

It is an arithmetic number, because the mean of its divisors is an integer number (7735177868).

Almost surely, 2^23205533601 is an apocalyptic number.

It is an amenable number.

23205533601 is a deficient number, since it is larger than the sum of its proper divisors (7735177871).

23205533601 is an equidigital number, since it uses as much as digits as its factorization.

23205533601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7735177870.

The product of its (nonzero) digits is 16200, while the sum is 30.

The spelling of 23205533601 in words is "twenty-three billion, two hundred five million, five hundred thirty-three thousand, six hundred one".