423203323 has 4 divisors (see below), whose sum is σ = 423458560. Its totient is φ = 422948088.

The previous prime is 423203309. The next prime is 423203329. The reversal of 423203323 is 323302324.

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 423203323 - 2¹³ = 423195131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423203294 and 423203303.

It is not an unprimeable number, because it can be changed into a prime (423203329) 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 3 ways as a sum of consecutive naturals, for example, 125115 + ... + 128452.

It is an arithmetic number, because the mean of its divisors is an integer number (105864640).

Almost surely, 2^423203323 is an apocalyptic number.

423203323 is a deficient number, since it is larger than the sum of its proper divisors (255237).

423203323 is a wasteful number, since it uses less digits than its factorization.

423203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255236.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 423203323 is about 20571.9061586427. The cubic root of 423203323 is about 750.7863296631.

Adding to 423203323 its reverse (323302324), we get a palindrome (746505647).

Subtracting from 423203323 its reverse (323302324), we obtain a palindrome (99900999).

The spelling of 423203323 in words is "four hundred twenty-three million, two hundred three thousand, three hundred twenty-three".