423042343 has 12 divisors (see below), whose sum is σ = 446446728. Its totient is φ = 400705760.

The previous prime is 423042341. The next prime is 423042377. The reversal of 423042343 is 343240324.

It is not a de Polignac number, because 423042343 - 2¹ = 423042341 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 (423042341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39828 + ... + 49318.

It is an arithmetic number, because the mean of its divisors is an integer number (37203894).

Almost surely, 2^423042343 is an apocalyptic number.

423042343 is a deficient number, since it is larger than the sum of its proper divisors (23404385).

423042343 is an equidigital number, since it uses as much as digits as its factorization.

423042343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9602 (or 9573 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 423042343 is about 20567.9931689993. The cubic root of 423042343 is about 750.6911217535.

Adding to 423042343 its reverse (343240324), we get a palindrome (766282667).

The spelling of 423042343 in words is "four hundred twenty-three million, forty-two thousand, three hundred forty-three".