203342423 has 12 divisors (see below), whose sum is σ = 222985152. Its totient is φ = 185199360.

The previous prime is 203342383. The next prime is 203342437. The reversal of 203342423 is 324243302.

203342423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203342423 - 2¹⁰ = 203341399 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 (203342023) 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, 2390 + ... + 20307.

It is an arithmetic number, because the mean of its divisors is an integer number (18582096).

Almost surely, 2^203342423 is an apocalyptic number.

203342423 is a deficient number, since it is larger than the sum of its proper divisors (19642729).

203342423 is a wasteful number, since it uses less digits than its factorization.

203342423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22762 (or 22745 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 203342423 is about 14259.8184771055. The cubic root of 203342423 is about 588.0433342660.

Adding to 203342423 its reverse (324243302), we get a palindrome (527585725).

The spelling of 203342423 in words is "two hundred three million, three hundred forty-two thousand, four hundred twenty-three".