23340686 has 4 divisors (see below), whose sum is σ = 35011032. Its totient is φ = 11670342.

The previous prime is 23340649. The next prime is 23340689. The reversal of 23340686 is 68604332.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23340689) 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, 5835170 + ... + 5835173.

It is an arithmetic number, because the mean of its divisors is an integer number (8752758).

Almost surely, 2^23340686 is an apocalyptic number.

23340686 is a deficient number, since it is larger than the sum of its proper divisors (11670346).

23340686 is a wasteful number, since it uses less digits than its factorization.

23340686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11670345.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 23340686 is about 4831.2199287551. The cubic root of 23340686 is about 285.7839746436.

The spelling of 23340686 in words is "twenty-three million, three hundred forty thousand, six hundred eighty-six".