23906305055 has 4 divisors (see below), whose sum is σ = 28687566072. Its totient is φ = 19125044040.

The previous prime is 23906305019. The next prime is 23906305079. The reversal of 23906305055 is 55050360932.

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

It is not a de Polignac number, because 23906305055 - 2²⁶ = 23839196191 is a prime.

It is a super-2 number, since 2×23906305055² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2390630501 + ... + 2390630510.

It is an arithmetic number, because the mean of its divisors is an integer number (7171891518).

Almost surely, 2^23906305055 is an apocalyptic number.

23906305055 is a deficient number, since it is larger than the sum of its proper divisors (4781261017).

23906305055 is an equidigital number, since it uses as much as digits as its factorization.

23906305055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781261016.

The product of its (nonzero) digits is 121500, while the sum is 38.

Adding to 23906305055 its reverse (55050360932), we get a palindrome (78956665987).

The spelling of 23906305055 in words is "twenty-three billion, nine hundred six million, three hundred five thousand, fifty-five".