303423 has 4 divisors (see below), whose sum is σ = 404568. Its totient is φ = 202280.

The previous prime is 303421. The next prime is 303431. The reversal of 303423 is 324303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 303423 - 2¹ = 303421 is a prime.

It is a D-number.

303423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50568 + ... + 50573.

It is an arithmetic number, because the mean of its divisors is an integer number (101142).

2³⁰³⁴²³ is an apocalyptic number.

303423 is a deficient number, since it is larger than the sum of its proper divisors (101145).

303423 is a wasteful number, since it uses less digits than its factorization.

303423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101144.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 303423 is about 550.8384518169. The cubic root of 303423 is about 67.1969404078.

Adding to 303423 its reverse (324303), we get a palindrome (627726).

The spelling of 303423 in words is "three hundred three thousand, four hundred twenty-three", and thus it is an iban number.