1000423442 has 8 divisors (see below), whose sum is σ = 1528949196. Its totient is φ = 490773712.

The previous prime is 1000423439. The next prime is 1000423451. The reversal of 1000423442 is 2443240001.

It can be written as a sum of positive squares in 2 ways, for example, as 946239121 + 54184321 = 30761^2 + 7361^2 .

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

It is an unprimeable number.

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, 4718873 + ... + 4719084.

Almost surely, 2^1000423442 is an apocalyptic number.

1000423442 is a deficient number, since it is larger than the sum of its proper divisors (528525754).

1000423442 is an equidigital number, since it uses as much as digits as its factorization.

1000423442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9438012.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1000423442 is about 31629.4710989609. The cubic root of 1000423442 is about 1000.1411274154.

Adding to 1000423442 its reverse (2443240001), we get a palindrome (3443663443).

The spelling of 1000423442 in words is "one billion, four hundred twenty-three thousand, four hundred forty-two".