423044403343 has 4 divisors (see below), whose sum is σ = 424299728320. Its totient is φ = 421789078368.

The previous prime is 423044403337. The next prime is 423044403359. The reversal of 423044403343 is 343304440324.

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 423044403343 - 2⁵ = 423044403311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423044403299 and 423044403308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423044203343) 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, 627661983 + ... + 627662656.

It is an arithmetic number, because the mean of its divisors is an integer number (106074932080).

Almost surely, 2^423044403343 is an apocalyptic number.

423044403343 is a deficient number, since it is larger than the sum of its proper divisors (1255324977).

423044403343 is a wasteful number, since it uses less digits than its factorization.

423044403343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255324976.

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 423044403343 its reverse (343304440324), we get a palindrome (766348843667).

The spelling of 423044403343 in words is "four hundred twenty-three billion, forty-four million, four hundred three thousand, three hundred forty-three".