423304213343 has 4 divisors (see below), whose sum is σ = 461786414568. Its totient is φ = 384822012120.

The previous prime is 423304213327. The next prime is 423304213357. The reversal of 423304213343 is 343312403324.

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 423304213343 - 2⁴ = 423304213327 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 (423304213303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19241100596 + ... + 19241100617.

It is an arithmetic number, because the mean of its divisors is an integer number (115446603642).

Almost surely, 2^423304213343 is an apocalyptic number.

423304213343 is a deficient number, since it is larger than the sum of its proper divisors (38482201225).

423304213343 is a wasteful number, since it uses less digits than its factorization.

423304213343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38482201224.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 423304213343 its reverse (343312403324), we get a palindrome (766616616667).

The spelling of 423304213343 in words is "four hundred twenty-three billion, three hundred four million, two hundred thirteen thousand, three hundred forty-three".