23332909 has 2 divisors, whose sum is σ = 23332910. Its totient is φ = 23332908.

The previous prime is 23332889. The next prime is 23332937. The reversal of 23332909 is 90923332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23251684 + 81225 = 4822^2 + 285^2 .

It is a cyclic number.

It is not a de Polignac number, because 23332909 - 2⁷ = 23332781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23335909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11666454 + 11666455.

It is an arithmetic number, because the mean of its divisors is an integer number (11666455).

Almost surely, 2^23332909 is an apocalyptic number.

It is an amenable number.

23332909 is a deficient number, since it is larger than the sum of its proper divisors (1).

23332909 is an equidigital number, since it uses as much as digits as its factorization.

23332909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 23332909 is about 4830.4149925239. The cubic root of 23332909 is about 285.7522305200.

The spelling of 23332909 in words is "twenty-three million, three hundred thirty-two thousand, nine hundred nine".