23230442155055 has 4 divisors (see below), whose sum is σ = 27876530586072. Its totient is φ = 18584353724040.

The previous prime is 23230442154971. The next prime is 23230442155057. The reversal of 23230442155055 is 55055124403232.

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

It is not a de Polignac number, because 23230442155055 - 2³² = 23226147187759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230442155057) 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, 2323044215501 + ... + 2323044215510.

It is an arithmetic number, because the mean of its divisors is an integer number (6969132646518).

Almost surely, 2^{23230442155055} is an apocalyptic number.

23230442155055 is a deficient number, since it is larger than the sum of its proper divisors (4646088431017).

23230442155055 is an equidigital number, since it uses as much as digits as its factorization.

23230442155055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646088431016.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 23230442155055 its reverse (55055124403232), we get a palindrome (78285566558287).

The spelling of 23230442155055 in words is "twenty-three trillion, two hundred thirty billion, four hundred forty-two million, one hundred fifty-five thousand, fifty-five".