203042323 has 8 divisors (see below), whose sum is σ = 221672880. Its totient is φ = 184440480.

The previous prime is 203042317. The next prime is 203042327. The reversal of 203042323 is 323240302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203042323 - 2¹³ = 203034131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203042323.

It is not an unprimeable number, because it can be changed into a prime (203042327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9261 + ... + 22177.

It is an arithmetic number, because the mean of its divisors is an integer number (27709110).

Almost surely, 2^203042323 is an apocalyptic number.

203042323 is a deficient number, since it is larger than the sum of its proper divisors (18630557).

203042323 is a wasteful number, since it uses less digits than its factorization.

203042323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14357.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 203042323 is about 14249.2920175004. The cubic root of 203042323 is about 587.7539067284.

Adding to 203042323 its reverse (323240302), we get a palindrome (526282625).

The spelling of 203042323 in words is "two hundred three million, forty-two thousand, three hundred twenty-three".