423430 has 32 divisors (see below), whose sum is σ = 912384. Its totient is φ = 138336.

The previous prime is 423427. The next prime is 423431. The reversal of 423430 is 34324.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1479 + ... + 1741.

It is an arithmetic number, because the mean of its divisors is an integer number (28512).

2⁴²³⁴³⁰ is an apocalyptic number.

423430 is an abundant number, since it is smaller than the sum of its proper divisors (488954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423430 is a wasteful number, since it uses less digits than its factorization.

423430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 423430 is about 650.7149913749. The cubic root of 423430 is about 75.0920351623.

Adding to 423430 its reverse (34324), we get a palindrome (457754).

The spelling of 423430 in words is "four hundred twenty-three thousand, four hundred thirty".