201423303 has 12 divisors (see below), whose sum is σ = 291119400. Its totient is φ = 134201616.

The previous prime is 201423253. The next prime is 201423311. The reversal of 201423303 is 303324102.

It is not a de Polignac number, because 201423303 - 2¹⁰ = 201422279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201422303) 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 11 ways as a sum of consecutive naturals, for example, 11800 + ... + 23282.

It is an arithmetic number, because the mean of its divisors is an integer number (24259950).

Almost surely, 2^201423303 is an apocalyptic number.

201423303 is a deficient number, since it is larger than the sum of its proper divisors (89696097).

201423303 is a wasteful number, since it uses less digits than its factorization.

201423303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13438 (or 13435 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 201423303 is about 14192.3677728559. The cubic root of 201423303 is about 586.1875241924.

Adding to 201423303 its reverse (303324102), we get a palindrome (504747405).

The spelling of 201423303 in words is "two hundred one million, four hundred twenty-three thousand, three hundred three".