1423434430 has 32 divisors (see below), whose sum is σ = 2836840320. Its totient is φ = 509884320.

The previous prime is 1423434421. The next prime is 1423434431. The reversal of 1423434430 is 344343241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423434431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89200 + ... + 103939.

It is an arithmetic number, because the mean of its divisors is an integer number (88651260).

Almost surely, 2^1423434430 is an apocalyptic number.

1423434430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423434430 is a deficient number, since it is larger than the sum of its proper divisors (1413405890).

1423434430 is a wasteful number, since it uses less digits than its factorization.

1423434430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193224.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 1423434430 is about 37728.4299964894. The cubic root of 1423434430 is about 1124.8963012236.

Adding to 1423434430 its reverse (344343241), we get a palindrome (1767777671).

The spelling of 1423434430 in words is "one billion, four hundred twenty-three million, four hundred thirty-four thousand, four hundred thirty".