23011705 has 4 divisors (see below), whose sum is σ = 27614052. Its totient is φ = 18409360.

The previous prime is 23011691. The next prime is 23011733. The reversal of 23011705 is 50711032.

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 4787344 + 18224361 = 2188^2 + 4269^2 .

It is not a de Polignac number, because 23011705 - 2⁷ = 23011577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2301166 + ... + 2301175.

It is an arithmetic number, because the mean of its divisors is an integer number (6903513).

Almost surely, 2^23011705 is an apocalyptic number.

It is an amenable number.

23011705 is a deficient number, since it is larger than the sum of its proper divisors (4602347).

23011705 is an equidigital number, since it uses as much as digits as its factorization.

23011705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602346.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 23011705 is about 4797.0516986999. The cubic root of 23011705 is about 284.4349325037.

Adding to 23011705 its reverse (50711032), we get a palindrome (73722737).

It can be divided in two parts, 23011 and 705, that added together give a square (23716 = 154²).

The spelling of 23011705 in words is "twenty-three million, eleven thousand, seven hundred five".