23657243 has 8 divisors (see below), whose sum is σ = 24613680. Its totient is φ = 22710240.

The previous prime is 23657219. The next prime is 23657273. The reversal of 23657243 is 34275632.

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

It is a cyclic number.

It is not a de Polignac number, because 23657243 - 2¹⁰ = 23656219 is a prime.

It is a super-2 number, since 2×23657243² = 1119330292722098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23657213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2996 + ... + 7502.

It is an arithmetic number, because the mean of its divisors is an integer number (3076710).

Almost surely, 2^23657243 is an apocalyptic number.

23657243 is a deficient number, since it is larger than the sum of its proper divisors (956437).

23657243 is a wasteful number, since it uses less digits than its factorization.

23657243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717.

The product of its digits is 30240, while the sum is 32.

The square root of 23657243 is about 4863.8711948406. The cubic root of 23657243 is about 287.0701548805.

The spelling of 23657243 in words is "twenty-three million, six hundred fifty-seven thousand, two hundred forty-three".