23289907 has 2 divisors, whose sum is σ = 23289908. Its totient is φ = 23289906.

The previous prime is 23289887. The next prime is 23289913. The reversal of 23289907 is 70998232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23289907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23289907.

It is not a weakly prime, because it can be changed into another prime (23289997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11644953 + 11644954.

It is an arithmetic number, because the mean of its divisors is an integer number (11644954).

Almost surely, 2^23289907 is an apocalyptic number.

23289907 is a deficient number, since it is larger than the sum of its proper divisors (1).

23289907 is an equidigital number, since it uses as much as digits as its factorization.

23289907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 23289907 is about 4825.9617694300. The cubic root of 23289907 is about 285.5765776979.

The spelling of 23289907 in words is "twenty-three million, two hundred eighty-nine thousand, nine hundred seven".