23243705 has 8 divisors (see below), whose sum is σ = 28149000. Its totient is φ = 18423936.

The previous prime is 23243683. The next prime is 23243741. The reversal of 23243705 is 50734232.

It can be written as a sum of positive squares in 4 ways, for example, as 4959529 + 18284176 = 2227^2 + 4276^2 .

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 23243705 - 2¹⁸ = 22981561 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20780 + ... + 21869.

It is an arithmetic number, because the mean of its divisors is an integer number (3518625).

Almost surely, 2^23243705 is an apocalyptic number.

It is an amenable number.

23243705 is a deficient number, since it is larger than the sum of its proper divisors (4905295).

23243705 is a wasteful number, since it uses less digits than its factorization.

23243705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42763.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 23243705 is about 4821.1725752145. The cubic root of 23243705 is about 285.3876125314.

Adding to 23243705 its reverse (50734232), we get a palindrome (73977937).

The spelling of 23243705 in words is "twenty-three million, two hundred forty-three thousand, seven hundred five".