323435009 has 2 divisors, whose sum is σ = 323435010. Its totient is φ = 323435008.

The previous prime is 323434987. The next prime is 323435017. The reversal of 323435009 is 900534323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322992784 + 442225 = 17972^2 + 665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323435009 is a prime.

It is a super-2 number, since 2×323435009² = 209220410093660162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_17450417 and since 323435009 and 17450417 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (323435089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161717504 + 161717505.

It is an arithmetic number, because the mean of its divisors is an integer number (161717505).

Almost surely, 2^323435009 is an apocalyptic number.

It is an amenable number.

323435009 is a deficient number, since it is larger than the sum of its proper divisors (1).

323435009 is an equidigital number, since it uses as much as digits as its factorization.

323435009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 323435009 is about 17984.2989577020. The cubic root of 323435009 is about 686.4290828498.

The spelling of 323435009 in words is "three hundred twenty-three million, four hundred thirty-five thousand, nine".