423003430 has 16 divisors (see below), whose sum is σ = 763569504. Its totient is φ = 168720640.

The previous prime is 423003389. The next prime is 423003433. The reversal of 423003430 is 34300324.

It is a junction number, because it is equal to n+sod(n) for n = 423003398 and 423003407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423003433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56386 + ... + 63445.

It is an arithmetic number, because the mean of its divisors is an integer number (47723094).

Almost surely, 2^423003430 is an apocalyptic number.

423003430 is a deficient number, since it is larger than the sum of its proper divisors (340566074).

423003430 is a wasteful number, since it uses less digits than its factorization.

423003430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120191.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 423003430 is about 20567.0471871876. The cubic root of 423003430 is about 750.6681039321.

Adding to 423003430 its reverse (34300324), we get a palindrome (457303754).

The spelling of 423003430 in words is "four hundred twenty-three million, three thousand, four hundred thirty".