202041004423 has 4 divisors (see below), whose sum is σ = 209007935640. Its totient is φ = 195074073208.

The previous prime is 202041004397. The next prime is 202041004433. The reversal of 202041004423 is 324400140202.

It is a happy number.

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 202041004423 - 2²¹ = 202038907271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202041004394 and 202041004403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202041004433) 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, 3483465565 + ... + 3483465622.

It is an arithmetic number, because the mean of its divisors is an integer number (52251983910).

Almost surely, 2^202041004423 is an apocalyptic number.

202041004423 is a deficient number, since it is larger than the sum of its proper divisors (6966931217).

202041004423 is an equidigital number, since it uses as much as digits as its factorization.

202041004423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966931216.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 202041004423 its reverse (324400140202), we get a palindrome (526441144625).

The spelling of 202041004423 in words is "two hundred two billion, forty-one million, four thousand, four hundred twenty-three".