41223143042021 has 4 divisors (see below), whose sum is σ = 41223376728492. Its totient is φ = 41222909355552.

The previous prime is 41223143041999. The next prime is 41223143042023. The reversal of 41223143042021 is 12024034132214.

41223143042021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36159355960225 + 5063787081796 = 6013265^2 + 2250286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41223143042021 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 (41223143042023) 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, 116578430 + ... + 116931503.

It is an arithmetic number, because the mean of its divisors is an integer number (10305844182123).

Almost surely, 2^{41223143042021} is an apocalyptic number.

It is an amenable number.

41223143042021 is a deficient number, since it is larger than the sum of its proper divisors (233686471).

41223143042021 is a wasteful number, since it uses less digits than its factorization.

41223143042021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233686470.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 41223143042021 its reverse (12024034132214), we get a palindrome (53247177174235).

The spelling of 41223143042021 in words is "forty-one trillion, two hundred twenty-three billion, one hundred forty-three million, forty-two thousand, twenty-one".