423907430 has 16 divisors (see below), whose sum is σ = 767252304. Its totient is φ = 168625440.

The previous prime is 423907399. The next prime is 423907439. The reversal of 423907430 is 34709324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423907439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115292 + ... + 118911.

It is an arithmetic number, because the mean of its divisors is an integer number (47953269).

Almost surely, 2^423907430 is an apocalyptic number.

423907430 is a deficient number, since it is larger than the sum of its proper divisors (343344874).

423907430 is a wasteful number, since it uses less digits than its factorization.

423907430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234391.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 423907430 is about 20589.0123609657. The cubic root of 423907430 is about 751.2024740076.

The spelling of 423907430 in words is "four hundred twenty-three million, nine hundred seven thousand, four hundred thirty".