23409686 has 4 divisors (see below), whose sum is σ = 35114532. Its totient is φ = 11704842.

The previous prime is 23409667. The next prime is 23409719. The reversal of 23409686 is 68690432.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 5852420 + ... + 5852423.

It is an arithmetic number, because the mean of its divisors is an integer number (8778633).

Almost surely, 2^23409686 is an apocalyptic number.

23409686 is a deficient number, since it is larger than the sum of its proper divisors (11704846).

23409686 is a wasteful number, since it uses less digits than its factorization.

23409686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11704845.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 23409686 is about 4838.3557124296. The cubic root of 23409686 is about 286.0653102026.

The spelling of 23409686 in words is "twenty-three million, four hundred nine thousand, six hundred eighty-six".