23205027955 has 4 divisors (see below), whose sum is σ = 27846033552. Its totient is φ = 18564022360.

The previous prime is 23205027947. The next prime is 23205027961. The reversal of 23205027955 is 55972050232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23205027955 - 2³ = 23205027947 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320502791 + ... + 2320502800.

It is an arithmetic number, because the mean of its divisors is an integer number (6961508388).

Almost surely, 2^23205027955 is an apocalyptic number.

23205027955 is a deficient number, since it is larger than the sum of its proper divisors (4641005597).

23205027955 is an equidigital number, since it uses as much as digits as its factorization.

23205027955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641005596.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 23205027955 in words is "twenty-three billion, two hundred five million, twenty-seven thousand, nine hundred fifty-five".