1000423444 has 24 divisors (see below), whose sum is σ = 1810368000. Its totient is φ = 483231840.

The previous prime is 1000423439. The next prime is 1000423451. The reversal of 1000423444 is 4443240001.

It is a super-3 number, since 3×1000423444³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 67542 + ... + 81010.

It is an arithmetic number, because the mean of its divisors is an integer number (75432000).

Almost surely, 2^1000423444 is an apocalyptic number.

It is an amenable number.

1000423444 is a deficient number, since it is larger than the sum of its proper divisors (809944556).

1000423444 is a wasteful number, since it uses less digits than its factorization.

1000423444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14103 (or 14101 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1000423444 is about 31629.4711305769. The cubic root of 1000423444 is about 1000.1411280819.

Adding to 1000423444 its reverse (4443240001), we get a palindrome (5443663445).

The spelling of 1000423444 in words is "one billion, four hundred twenty-three thousand, four hundred forty-four".