23320245 has 16 divisors (see below), whose sum is σ = 40182912. Its totient is φ = 11480640.

The previous prime is 23320237. The next prime is 23320259. The reversal of 23320245 is 54202332.

It is not a de Polignac number, because 23320245 - 2³ = 23320237 is a prime.

It is a Curzon number.

It is a congruent number.

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, 59601 + ... + 59990.

It is an arithmetic number, because the mean of its divisors is an integer number (2511432).

Almost surely, 2^23320245 is an apocalyptic number.

It is an amenable number.

23320245 is a deficient number, since it is larger than the sum of its proper divisors (16862667).

23320245 is a wasteful number, since it uses less digits than its factorization.

23320245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119612.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 23320245 is about 4829.1039541513. The cubic root of 23320245 is about 285.7005235633.

Adding to 23320245 its reverse (54202332), we get a palindrome (77522577).

The spelling of 23320245 in words is "twenty-three million, three hundred twenty thousand, two hundred forty-five".