23205265 has 8 divisors (see below), whose sum is σ = 27937728. Its totient is φ = 18503280.

The previous prime is 23205239. The next prime is 23205269. The reversal of 23205265 is 56250232.

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

It is not a de Polignac number, because 23205265 - 2⁵ = 23205233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23205269) 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, 5907 + ... + 9016.

It is an arithmetic number, because the mean of its divisors is an integer number (3492216).

Almost surely, 2^23205265 is an apocalyptic number.

It is an amenable number.

23205265 is a deficient number, since it is larger than the sum of its proper divisors (4732463).

23205265 is a wasteful number, since it uses less digits than its factorization.

23205265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15239.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 23205265 is about 4817.1843435766. The cubic root of 23205265 is about 285.2302028459.

Adding to 23205265 its reverse (56250232), we get a palindrome (79455497).

The spelling of 23205265 in words is "twenty-three million, two hundred five thousand, two hundred sixty-five".