6323909 has 2 divisors, whose sum is σ = 6323910. Its totient is φ = 6323908.

The previous prime is 6323887. The next prime is 6323923. The reversal of 6323909 is 9093236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5303809 + 1020100 = 2303^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 6323909 - 2¹² = 6319813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6323939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3161954 + 3161955.

It is an arithmetic number, because the mean of its divisors is an integer number (3161955).

Almost surely, 2^6323909 is an apocalyptic number.

It is an amenable number.

6323909 is a deficient number, since it is larger than the sum of its proper divisors (1).

6323909 is an equidigital number, since it uses as much as digits as its factorization.

6323909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 6323909 is about 2514.7383561715. The cubic root of 6323909 is about 184.9248197080.

The spelling of 6323909 in words is "six million, three hundred twenty-three thousand, nine hundred nine".