23160321 has 12 divisors (see below), whose sum is σ = 33496320. Its totient is φ = 15420600.

The previous prime is 23160289. The next prime is 23160343. The reversal of 23160321 is 12306132.

It is not a de Polignac number, because 23160321 - 2⁵ = 23160289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23160294 and 23160303.

It is not an unprimeable number, because it can be changed into a prime (23160421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10896 + ... + 12846.

It is an arithmetic number, because the mean of its divisors is an integer number (2791360).

Almost surely, 2^23160321 is an apocalyptic number.

It is an amenable number.

23160321 is a deficient number, since it is larger than the sum of its proper divisors (10335999).

23160321 is a wasteful number, since it uses less digits than its factorization.

23160321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276 (or 3273 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 23160321 is about 4812.5171168527. The cubic root of 23160321 is about 285.0459390398.

Adding to 23160321 its reverse (12306132), we get a palindrome (35466453).

The spelling of 23160321 in words is "twenty-three million, one hundred sixty thousand, three hundred twenty-one".