23065603 has 4 divisors (see below), whose sum is σ = 25162488. Its totient is φ = 20968720.

The previous prime is 23065589. The next prime is 23065631. The reversal of 23065603 is 30656032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23065603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23065663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048426 + ... + 1048447.

It is an arithmetic number, because the mean of its divisors is an integer number (6290622).

Almost surely, 2^23065603 is an apocalyptic number.

23065603 is a deficient number, since it is larger than the sum of its proper divisors (2096885).

23065603 is a wasteful number, since it uses less digits than its factorization.

23065603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096884.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 23065603 is about 4802.6662386637. Note that the first 3 decimals coincide. The cubic root of 23065603 is about 284.6568271226.

The spelling of 23065603 in words is "twenty-three million, sixty-five thousand, six hundred three".