23869705 has 4 divisors (see below), whose sum is σ = 28643652. Its totient is φ = 19095760.

The previous prime is 23869691. The next prime is 23869723. The reversal of 23869705 is 50796832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11309769 + 12559936 = 3363^2 + 3544^2 .

It is not a de Polignac number, because 23869705 - 2⁵ = 23869673 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386966 + ... + 2386975.

It is an arithmetic number, because the mean of its divisors is an integer number (7160913).

Almost surely, 2^23869705 is an apocalyptic number.

It is an amenable number.

23869705 is a deficient number, since it is larger than the sum of its proper divisors (4773947).

23869705 is an equidigital number, since it uses as much as digits as its factorization.

23869705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773946.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 23869705 is about 4885.6632098416. The cubic root of 23869705 is about 287.9269723856.

The spelling of 23869705 in words is "twenty-three million, eight hundred sixty-nine thousand, seven hundred five".