23957705 has 8 divisors (see below), whose sum is σ = 29034504. Its totient is φ = 18976000.

The previous prime is 23957693. The next prime is 23957707. The reversal of 23957705 is 50775932.

It can be written as a sum of positive squares in 4 ways, for example, as 6677056 + 17280649 = 2584^2 + 4157^2 .

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

It is not a de Polignac number, because 23957705 - 2¹² = 23953609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23957707) 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, 23216 + ... + 24225.

It is an arithmetic number, because the mean of its divisors is an integer number (3629313).

Almost surely, 2^23957705 is an apocalyptic number.

It is an amenable number.

23957705 is a deficient number, since it is larger than the sum of its proper divisors (5076799).

23957705 is a wasteful number, since it uses less digits than its factorization.

23957705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47547.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 23957705 is about 4894.6608666996. The cubic root of 23957705 is about 288.2803701339.

The spelling of 23957705 in words is "twenty-three million, nine hundred fifty-seven thousand, seven hundred five".