1000323009 has 24 divisors (see below), whose sum is σ = 1695961280. Its totient is φ = 556162848.

The previous prime is 1000322977. The next prime is 1000323017. The reversal of 1000323009 is 9003230001.

It is not a de Polignac number, because 1000323009 - 2⁵ = 1000322977 is a prime.

It is a super-2 number, since 2×1000323009² = 2001292244669628162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1000322982 and 1000323000.

It is not an unprimeable number, because it can be changed into a prime (1000323029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212239 + ... + 216900.

Almost surely, 2^1000323009 is an apocalyptic number.

It is an amenable number.

1000323009 is a deficient number, since it is larger than the sum of its proper divisors (695638271).

1000323009 is a wasteful number, since it uses less digits than its factorization.

1000323009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429189 (or 429186 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1000323009 is about 31627.8834100545. The cubic root of 1000323009 is about 1000.1076580760.

It can be divided in two parts, 100032 and 3009, that added together give a square (103041 = 321²).

The spelling of 1000323009 in words is "one billion, three hundred twenty-three thousand, nine".