303402423 has 8 divisors (see below), whose sum is σ = 409657600. Its totient is φ = 199707768.

The previous prime is 303402413. The next prime is 303402439. The reversal of 303402423 is 324204303.

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

It is not a de Polignac number, because 303402423 - 2⁵ = 303402391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 303402423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303402413) 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, 639853 + ... + 640326.

It is an arithmetic number, because the mean of its divisors is an integer number (51207200).

Almost surely, 2^303402423 is an apocalyptic number.

303402423 is a deficient number, since it is larger than the sum of its proper divisors (106255177).

303402423 is a wasteful number, since it uses less digits than its factorization.

303402423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280261.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 303402423 is about 17418.4506486656. The cubic root of 303402423 is about 671.9542135932.

Adding to 303402423 its reverse (324204303), we get a palindrome (627606726).

The spelling of 303402423 in words is "three hundred three million, four hundred two thousand, four hundred twenty-three".