203202230042423 has 4 divisors (see below), whose sum is σ = 203202259191288. Its totient is φ = 203202200893560.

The previous prime is 203202230042377. The next prime is 203202230042479. The reversal of 203202230042423 is 324240032202302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 203202230042423 - 2⁸ = 203202230042167 is a prime.

It is a super-2 number, since 2×203202230042423² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203202230042323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2734565 + ... + 20344097.

It is an arithmetic number, because the mean of its divisors is an integer number (50800564797822).

Almost surely, 2^{203202230042423} is an apocalyptic number.

203202230042423 is a deficient number, since it is larger than the sum of its proper divisors (29148865).

203202230042423 is a wasteful number, since it uses less digits than its factorization.

203202230042423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29148864.

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

Adding to 203202230042423 its reverse (324240032202302), we get a palindrome (527442262244725).

The spelling of 203202230042423 in words is "two hundred three trillion, two hundred two billion, two hundred thirty million, forty-two thousand, four hundred twenty-three".