202344320423 has 12 divisors (see below), whose sum is σ = 237176930232. Its totient is φ = 172114029360.

The previous prime is 202344320401. The next prime is 202344320441. The reversal of 202344320423 is 324023443202.

It is a happy number.

It is not a de Polignac number, because 202344320423 - 2²⁶ = 202277211559 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 (202344320323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15754940 + ... + 15767777.

It is an arithmetic number, because the mean of its divisors is an integer number (19764744186).

Almost surely, 2^202344320423 is an apocalyptic number.

202344320423 is a deficient number, since it is larger than the sum of its proper divisors (34832609809).

202344320423 is a wasteful number, since it uses less digits than its factorization.

202344320423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31522862 (or 31522855 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 202344320423 its reverse (324023443202), we get a palindrome (526367763625).

The spelling of 202344320423 in words is "two hundred two billion, three hundred forty-four million, three hundred twenty thousand, four hundred twenty-three".