23420211 has 8 divisors (see below), whose sum is σ = 31299840. Its totient is φ = 15577032.

The previous prime is 23420207. The next prime is 23420213. The reversal of 23420211 is 11202432.

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

It is not a de Polignac number, because 23420211 - 2² = 23420207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23420213) 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, 7575 + ... + 10208.

It is an arithmetic number, because the mean of its divisors is an integer number (3912480).

Almost surely, 2^23420211 is an apocalyptic number.

23420211 is a deficient number, since it is larger than the sum of its proper divisors (7879629).

23420211 is a wasteful number, since it uses less digits than its factorization.

23420211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18225.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 23420211 is about 4839.4432531026. The cubic root of 23420211 is about 286.1081754547.

Adding to 23420211 its reverse (11202432), we get a palindrome (34622643).

The spelling of 23420211 in words is "twenty-three million, four hundred twenty thousand, two hundred eleven".