23320223 has 4 divisors (see below), whose sum is σ = 23534280. Its totient is φ = 23106168.

The previous prime is 23320181. The next prime is 23320237. The reversal of 23320223 is 32202332.

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

It is a cyclic number.

It is not a de Polignac number, because 23320223 - 2²⁰ = 22271647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320523) 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, 106865 + ... + 107082.

It is an arithmetic number, because the mean of its divisors is an integer number (5883570).

Almost surely, 2^23320223 is an apocalyptic number.

23320223 is a deficient number, since it is larger than the sum of its proper divisors (214057).

23320223 is a wasteful number, since it uses less digits than its factorization.

23320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214056.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 23320223 is about 4829.1016762955. The cubic root of 23320223 is about 285.7004337213.

Adding to 23320223 its reverse (32202332), we get a palindrome (55522555).

The spelling of 23320223 in words is "twenty-three million, three hundred twenty thousand, two hundred twenty-three".