23217268 has 6 divisors (see below), whose sum is σ = 40630226. Its totient is φ = 11608632.

The previous prime is 23217247. The next prime is 23217269. The reversal of 23217268 is 86271232.

It can be written as a sum of positive squares in only one way, i.e., 15665764 + 7551504 = 3958^2 + 2748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23217269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2902155 + ... + 2902162.

Almost surely, 2^23217268 is an apocalyptic number.

It is an amenable number.

23217268 is a deficient number, since it is larger than the sum of its proper divisors (17412958).

23217268 is a wasteful number, since it uses less digits than its factorization.

23217268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5804321 (or 5804319 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 23217268 is about 4818.4300347727. The cubic root of 23217268 is about 285.2793731241.

The spelling of 23217268 in words is "twenty-three million, two hundred seventeen thousand, two hundred sixty-eight".