23036009 has 2 divisors, whose sum is σ = 23036010. Its totient is φ = 23036008.

The previous prime is 23035997. The next prime is 23036023. The reversal of 23036009 is 90063032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11833600 + 11202409 = 3440^2 + 3347^2 .

It is a cyclic number.

It is not a de Polignac number, because 23036009 - 2⁴ = 23035993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23036029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11518004 + 11518005.

It is an arithmetic number, because the mean of its divisors is an integer number (11518005).

Almost surely, 2^23036009 is an apocalyptic number.

It is an amenable number.

23036009 is a deficient number, since it is larger than the sum of its proper divisors (1).

23036009 is an equidigital number, since it uses as much as digits as its factorization.

23036009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 23036009 is about 4799.5842528286. The cubic root of 23036009 is about 284.5350333628.

The spelling of 23036009 in words is "twenty-three million, thirty-six thousand, nine".