23213163 has 8 divisors (see below), whose sum is σ = 31670848. Its totient is φ = 15115464.

The previous prime is 23213161. The next prime is 23213173. The reversal of 23213163 is 36131232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23213163 - 2¹ = 23213161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23213161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89845 + ... + 90102.

It is an arithmetic number, because the mean of its divisors is an integer number (3958856).

Almost surely, 2^23213163 is an apocalyptic number.

23213163 is a deficient number, since it is larger than the sum of its proper divisors (8457685).

23213163 is a wasteful number, since it uses less digits than its factorization.

23213163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179993.

The product of its digits is 648, while the sum is 21.

The square root of 23213163 is about 4818.0040473208. The cubic root of 23213163 is about 285.2625589027.

Adding to 23213163 its reverse (36131232), we get a palindrome (59344395).

The spelling of 23213163 in words is "twenty-three million, two hundred thirteen thousand, one hundred sixty-three".