23414243221 has 4 divisors (see below), whose sum is σ = 23633068032. Its totient is φ = 23195418412.

The previous prime is 23414243207. The next prime is 23414243263. The reversal of 23414243221 is 12234241432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23414243221 - 2¹³ = 23414235029 is a prime.

It is a super-2 number, since 2×23414243221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23414243221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23414243821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109412245 + ... + 109412458.

It is an arithmetic number, because the mean of its divisors is an integer number (5908267008).

Almost surely, 2^23414243221 is an apocalyptic number.

It is an amenable number.

23414243221 is a deficient number, since it is larger than the sum of its proper divisors (218824811).

23414243221 is a wasteful number, since it uses less digits than its factorization.

23414243221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218824810.

The product of its digits is 9216, while the sum is 28.

Adding to 23414243221 its reverse (12234241432), we get a palindrome (35648484653).

The spelling of 23414243221 in words is "twenty-three billion, four hundred fourteen million, two hundred forty-three thousand, two hundred twenty-one".