203441023 has 4 divisors (see below), whose sum is σ = 215408160. Its totient is φ = 191473888.

The previous prime is 203441009. The next prime is 203441047. The reversal of 203441023 is 320144302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320144302 = 2 ⋅160072151.

It is a cyclic number.

It is not a de Polignac number, because 203441023 - 2²¹ = 201343871 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 (203441053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5983543 + ... + 5983576.

It is an arithmetic number, because the mean of its divisors is an integer number (53852040).

Almost surely, 2^203441023 is an apocalyptic number.

203441023 is a deficient number, since it is larger than the sum of its proper divisors (11967137).

203441023 is a wasteful number, since it uses less digits than its factorization.

203441023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11967136.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 203441023 is about 14263.2753251138. The cubic root of 203441023 is about 588.1383655976.

Adding to 203441023 its reverse (320144302), we get a palindrome (523585325).

The spelling of 203441023 in words is "two hundred three million, four hundred forty-one thousand, twenty-three".