23307265 has 8 divisors (see below), whose sum is σ = 28246248. Its totient is φ = 18460800.

The previous prime is 23307239. The next prime is 23307269. The reversal of 23307265 is 56270332.

It can be written as a sum of positive squares in 4 ways, for example, as 13771521 + 9535744 = 3711^2 + 3088^2 .

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

It is not a de Polignac number, because 23307265 - 2⁵ = 23307233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23307269) 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, 22572 + ... + 23581.

It is an arithmetic number, because the mean of its divisors is an integer number (3530781).

Almost surely, 2^23307265 is an apocalyptic number.

It is an amenable number.

23307265 is a deficient number, since it is larger than the sum of its proper divisors (4938983).

23307265 is a wasteful number, since it uses less digits than its factorization.

23307265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46259.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 23307265 is about 4827.7598324689. The cubic root of 23307265 is about 285.6475069528.

Adding to 23307265 its reverse (56270332), we get a palindrome (79577597).

The spelling of 23307265 in words is "twenty-three million, three hundred seven thousand, two hundred sixty-five".