23243265 has 12 divisors (see below), whose sum is σ = 40288404. Its totient is φ = 12396384.

The previous prime is 23243249. The next prime is 23243287. The reversal of 23243265 is 56234232.

It can be written as a sum of positive squares in 2 ways, for example, as 3101121 + 20142144 = 1761^2 + 4488^2 .

It is not a de Polignac number, because 23243265 - 2⁴ = 23243249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258214 + ... + 258303.

It is an arithmetic number, because the mean of its divisors is an integer number (3357367).

Almost surely, 2^23243265 is an apocalyptic number.

It is an amenable number.

23243265 is a deficient number, since it is larger than the sum of its proper divisors (17045139).

23243265 is a wasteful number, since it uses less digits than its factorization.

23243265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516528 (or 516525 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 23243265 is about 4821.1269429460. The cubic root of 23243265 is about 285.3858117379.

Adding to 23243265 its reverse (56234232), we get a palindrome (79477497).

The spelling of 23243265 in words is "twenty-three million, two hundred forty-three thousand, two hundred sixty-five".