202344421223 has 4 divisors (see below), whose sum is σ = 231250767120. Its totient is φ = 173438075328.

The previous prime is 202344421189. The next prime is 202344421261. The reversal of 202344421223 is 322124443202.

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

It is not a de Polignac number, because 202344421223 - 2¹⁰ = 202344420199 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 (202344421723) 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, 14453172938 + ... + 14453172951.

It is an arithmetic number, because the mean of its divisors is an integer number (57812691780).

Almost surely, 2^202344421223 is an apocalyptic number.

202344421223 is a deficient number, since it is larger than the sum of its proper divisors (28906345897).

202344421223 is an equidigital number, since it uses as much as digits as its factorization.

202344421223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28906345896.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 202344421223 its reverse (322124443202), we get a palindrome (524468864425).

The spelling of 202344421223 in words is "two hundred two billion, three hundred forty-four million, four hundred twenty-one thousand, two hundred twenty-three".