423455503 has 8 divisors (see below), whose sum is σ = 438661440. Its totient is φ = 408481920.

The previous prime is 423455453. The next prime is 423455521. The reversal of 423455503 is 305554324.

It is a happy number.

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 423455503 - 2²¹ = 421358351 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 (423455003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54375 + ... + 61672.

It is an arithmetic number, because the mean of its divisors is an integer number (54832680).

Almost surely, 2^423455503 is an apocalyptic number.

423455503 is a deficient number, since it is larger than the sum of its proper divisors (15205937).

423455503 is a wasteful number, since it uses less digits than its factorization.

423455503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116177.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 423455503 is about 20578.0344785405. The cubic root of 423455503 is about 750.9354271866.

The spelling of 423455503 in words is "four hundred twenty-three million, four hundred fifty-five thousand, five hundred three".