23203265 has 8 divisors (see below), whose sum is σ = 27925800. Its totient is φ = 18508032.

The previous prime is 23203223. The next prime is 23203267. The reversal of 23203265 is 56230232.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 153664 + 23049601 = 392^2 + 4801^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23203265 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23203265.

It is not an unprimeable number, because it can be changed into a prime (23203267) 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, 4904 + ... + 8393.

It is an arithmetic number, because the mean of its divisors is an integer number (3490725).

Almost surely, 2^23203265 is an apocalyptic number.

It is an amenable number.

23203265 is a deficient number, since it is larger than the sum of its proper divisors (4722535).

23203265 is a wasteful number, since it uses less digits than its factorization.

23203265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13651.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 23203265 is about 4816.9767489578. The cubic root of 23203265 is about 285.2220082000. Note that the first 3 decimals are identical.

Adding to 23203265 its reverse (56230232), we get a palindrome (79433497).

The spelling of 23203265 in words is "twenty-three million, two hundred three thousand, two hundred sixty-five".