23441221421243 has 4 divisors (see below), whose sum is σ = 23481847455480. Its totient is φ = 23400595387008.

The previous prime is 23441221421197. The next prime is 23441221421249. The reversal of 23441221421243 is 34212412214432.

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

It is a cyclic number.

It is not a de Polignac number, because 23441221421243 - 2²⁰ = 23441220372667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23441221421249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20313016253 + ... + 20313017406.

It is an arithmetic number, because the mean of its divisors is an integer number (5870461863870).

Almost surely, 2^{23441221421243} is an apocalyptic number.

23441221421243 is a deficient number, since it is larger than the sum of its proper divisors (40626034237).

23441221421243 is an equidigital number, since it uses as much as digits as its factorization.

23441221421243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40626034236.

The product of its digits is 73728, while the sum is 35.

Adding to 23441221421243 its reverse (34212412214432), we get a palindrome (57653633635675).

The spelling of 23441221421243 in words is "twenty-three trillion, four hundred forty-one billion, two hundred twenty-one million, four hundred twenty-one thousand, two hundred forty-three".