1000423434 has 8 divisors (see below), whose sum is σ = 2000846880. Its totient is φ = 333474476.

The previous prime is 1000423409. The next prime is 1000423439. The reversal of 1000423434 is 4343240001.

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

1000423434 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000423434.

It is not an unprimeable number, because it can be changed into a prime (1000423439) 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 3 ways as a sum of consecutive naturals, for example, 83368614 + ... + 83368625.

It is an arithmetic number, because the mean of its divisors is an integer number (250105860).

Almost surely, 2^1000423434 is an apocalyptic number.

1000423434 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.

1000423434 is a wasteful number, since it uses less digits than its factorization.

1000423434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166737244.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1000423434 is about 31629.4709724965. The cubic root of 1000423434 is about 1000.1411247495.

Adding to 1000423434 its reverse (4343240001), we get a palindrome (5343663435).

The spelling of 1000423434 in words is "one billion, four hundred twenty-three thousand, four hundred thirty-four".