303421423 has 8 divisors (see below), whose sum is σ = 329953392. Its totient is φ = 277854336.

The previous prime is 303421399. The next prime is 303421427. The reversal of 303421423 is 324124303.

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 303421423 - 2²¹ = 301324271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303421394 and 303421403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303421427) 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, 240565 + ... + 241822.

It is an arithmetic number, because the mean of its divisors is an integer number (41244174).

Almost surely, 2^303421423 is an apocalyptic number.

303421423 is a deficient number, since it is larger than the sum of its proper divisors (26531969).

303421423 is a wasteful number, since it uses less digits than its factorization.

303421423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482441.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 303421423 is about 17418.9960388077. The cubic root of 303421423 is about 671.9682399188.

Adding to 303421423 its reverse (324124303), we get a palindrome (627545726).

The spelling of 303421423 in words is "three hundred three million, four hundred twenty-one thousand, four hundred twenty-three".