23263665 has 16 divisors (see below), whose sum is σ = 37369728. Its totient is φ = 12358016.

The previous prime is 23263651. The next prime is 23263693. The reversal of 23263665 is 56636232.

It is a cyclic number.

It is not a de Polignac number, because 23263665 - 2⁹ = 23263153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997 + ... + 6893.

It is an arithmetic number, because the mean of its divisors is an integer number (2335608).

Almost surely, 2^23263665 is an apocalyptic number.

It is an amenable number.

23263665 is a deficient number, since it is larger than the sum of its proper divisors (14106063).

23263665 is a wasteful number, since it uses less digits than its factorization.

23263665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168.

The product of its digits is 38880, while the sum is 33.

The square root of 23263665 is about 4823.2421668417. The cubic root of 23263665 is about 285.4692791876.

Adding to 23263665 its reverse (56636232), we get a palindrome (79899897).

The spelling of 23263665 in words is "twenty-three million, two hundred sixty-three thousand, six hundred sixty-five".