23021311544441 has 4 divisors (see below), whose sum is σ = 26310070336512. Its totient is φ = 19732552752372.

The previous prime is 23021311544419. The next prime is 23021311544471. The reversal of 23021311544441 is 14444511312032.

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 a cyclic number.

It is not a de Polignac number, because 23021311544441 - 2⁶ = 23021311544377 is a prime.

It is a super-3 number, since 3×23021311544441³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23021311544471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1644379396025 + ... + 1644379396038.

It is an arithmetic number, because the mean of its divisors is an integer number (6577517584128).

Almost surely, 2^{23021311544441} is an apocalyptic number.

It is an amenable number.

23021311544441 is a deficient number, since it is larger than the sum of its proper divisors (3288758792071).

23021311544441 is an equidigital number, since it uses as much as digits as its factorization.

23021311544441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288758792070.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 23021311544441 its reverse (14444511312032), we get a palindrome (37465822856473).

The spelling of 23021311544441 in words is "twenty-three trillion, twenty-one billion, three hundred eleven million, five hundred forty-four thousand, four hundred forty-one".