23302009 has 2 divisors, whose sum is σ = 23302010. Its totient is φ = 23302008.

The previous prime is 23302003. The next prime is 23302021. The reversal of 23302009 is 90020332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20250000 + 3052009 = 4500^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 23302009 - 2⁵ = 23301977 is a prime.

It is not a weakly prime, because it can be changed into another prime (23302003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11651004 + 11651005.

It is an arithmetic number, because the mean of its divisors is an integer number (11651005).

Almost surely, 2^23302009 is an apocalyptic number.

It is an amenable number.

23302009 is a deficient number, since it is larger than the sum of its proper divisors (1).

23302009 is an equidigital number, since it uses as much as digits as its factorization.

23302009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 23302009 is about 4827.2154499256. The cubic root of 23302009 is about 285.6260333026.

The spelling of 23302009 in words is "twenty-three million, three hundred two thousand, nine".