23421211 has 8 divisors (see below), whose sum is σ = 25674048. Its totient is φ = 21189000.

The previous prime is 23421173. The next prime is 23421217. The reversal of 23421211 is 11212432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23421211 is a prime.

It is a super-3 number, since 3×23421211³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23421217) 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, 2725 + ... + 7366.

It is an arithmetic number, because the mean of its divisors is an integer number (3209256).

Almost surely, 2^23421211 is an apocalyptic number.

23421211 is a deficient number, since it is larger than the sum of its proper divisors (2252837).

23421211 is a wasteful number, since it uses less digits than its factorization.

23421211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10313.

The product of its digits is 96, while the sum is 16.

The square root of 23421211 is about 4839.5465696695. The cubic root of 23421211 is about 286.1122474946.

Adding to 23421211 its reverse (11212432), we get a palindrome (34633643).

It can be divided in two parts, 23421 and 211, that added together give a palindrome (23632).

The spelling of 23421211 in words is "twenty-three million, four hundred twenty-one thousand, two hundred eleven".