23268309 has 8 divisors (see below), whose sum is σ = 31154112. Its totient is φ = 15447360.

The previous prime is 23268299. The next prime is 23268313. The reversal of 23268309 is 90386232.

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

It is not a de Polignac number, because 23268309 - 2¹⁷ = 23137237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23268309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23268319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15369 + ... + 16814.

It is an arithmetic number, because the mean of its divisors is an integer number (3894264).

Almost surely, 2^23268309 is an apocalyptic number.

It is an amenable number.

23268309 is a deficient number, since it is larger than the sum of its proper divisors (7885803).

23268309 is a wasteful number, since it uses less digits than its factorization.

23268309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32427.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 23268309 is about 4823.7235617311. The cubic root of 23268309 is about 285.4882734880.

The spelling of 23268309 in words is "twenty-three million, two hundred sixty-eight thousand, three hundred nine".