23675009 has 2 divisors, whose sum is σ = 23675010. Its totient is φ = 23675008.

The previous prime is 23674967. The next prime is 23675011. The reversal of 23675009 is 90057632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23280625 + 394384 = 4825^2 + 628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23675009 is a prime.

Together with 23675011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23675059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11837504 + 11837505.

It is an arithmetic number, because the mean of its divisors is an integer number (11837505).

Almost surely, 2^23675009 is an apocalyptic number.

It is an amenable number.

23675009 is a deficient number, since it is larger than the sum of its proper divisors (1).

23675009 is an equidigital number, since it uses as much as digits as its factorization.

23675009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 23675009 is about 4865.6971751230. The cubic root of 23675009 is about 287.1419977438.

The spelling of 23675009 in words is "twenty-three million, six hundred seventy-five thousand, nine".