23305706 has 8 divisors (see below), whose sum is σ = 34979364. Its totient is φ = 11645920.

The previous prime is 23305703. The next prime is 23305717. The reversal of 23305706 is 60750332.

It can be written as a sum of positive squares in 2 ways, for example, as 22420225 + 885481 = 4735^2 + 941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23305703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686 + ... + 7758.

Almost surely, 2^23305706 is an apocalyptic number.

23305706 is a deficient number, since it is larger than the sum of its proper divisors (11673658).

23305706 is a wasteful number, since it uses less digits than its factorization.

23305706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 23305706 is about 4827.5983677187. The cubic root of 23305706 is about 285.6411379174.

The spelling of 23305706 in words is "twenty-three million, three hundred five thousand, seven hundred six".