1000423430 has 8 divisors (see below), whose sum is σ = 1800762192. Its totient is φ = 400169368.

The previous prime is 1000423409. The next prime is 1000423439. The reversal of 1000423430 is 343240001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1000423399 and 1000423408.

It is a congruent number.

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, 50021162 + ... + 50021181.

It is an arithmetic number, because the mean of its divisors is an integer number (225095274).

Almost surely, 2^1000423430 is an apocalyptic number.

1000423430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000423430 is a deficient number, since it is larger than the sum of its proper divisors (800338762).

1000423430 is a wasteful number, since it uses less digits than its factorization.

1000423430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100042350.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1000423430 is about 31629.4709092644. The cubic root of 1000423430 is about 1000.1411234166.

Adding to 1000423430 its reverse (343240001), we get a palindrome (1343663431).

The spelling of 1000423430 in words is "one billion, four hundred twenty-three thousand, four hundred thirty".