23860009 has 2 divisors, whose sum is σ = 23860010. Its totient is φ = 23860008.

The previous prime is 23859989. The next prime is 23860051. The reversal of 23860009 is 90006832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19998784 + 3861225 = 4472^2 + 1965^2 .

It is a cyclic number.

It is not a de Polignac number, because 23860009 - 2¹¹ = 23857961 is a prime.

It is not a weakly prime, because it can be changed into another prime (23860609) 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, 11930004 + 11930005.

It is an arithmetic number, because the mean of its divisors is an integer number (11930005).

Almost surely, 2^23860009 is an apocalyptic number.

It is an amenable number.

23860009 is a deficient number, since it is larger than the sum of its proper divisors (1).

23860009 is an equidigital number, since it uses as much as digits as its factorization.

23860009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23860009 is about 4884.6708179774. The cubic root of 23860009 is about 287.8879812876.

The spelling of 23860009 in words is "twenty-three million, eight hundred sixty thousand, nine".