1423432434 has 8 divisors (see below), whose sum is σ = 2846864880. Its totient is φ = 474477476.

The previous prime is 1423432427. The next prime is 1423432471. The reversal of 1423432434 is 4342343241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1423432434 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 118619364 + ... + 118619375.

It is an arithmetic number, because the mean of its divisors is an integer number (355858110).

Almost surely, 2^1423432434 is an apocalyptic number.

1423432434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1423432434 is a wasteful number, since it uses less digits than its factorization.

1423432434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237238744.

The product of its digits is 27648, while the sum is 30.

The square root of 1423432434 is about 37728.4035442795. The cubic root of 1423432434 is about 1124.8957754309.

Adding to 1423432434 its reverse (4342343241), we get a palindrome (5765775675).

The spelling of 1423432434 in words is "one billion, four hundred twenty-three million, four hundred thirty-two thousand, four hundred thirty-four".