23224401321 has 12 divisors (see below), whose sum is σ = 34036864176. Its totient is φ = 14075394520.

The previous prime is 23224401307. The next prime is 23224401323. The reversal of 23224401321 is 12310442232.

It is a happy number.

It is not a de Polignac number, because 23224401321 - 2⁵ = 23224401289 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23224401291 and 23224401300.

It is not an unprimeable number, because it can be changed into a prime (23224401323) 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, 31989171 + ... + 31989896.

It is an arithmetic number, because the mean of its divisors is an integer number (2836405348).

Almost surely, 2^23224401321 is an apocalyptic number.

It is an amenable number.

23224401321 is a deficient number, since it is larger than the sum of its proper divisors (10812462855).

23224401321 is a wasteful number, since it uses less digits than its factorization.

23224401321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63979092 (or 63979081 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23224401321 its reverse (12310442232), we get a palindrome (35534843553).

The spelling of 23224401321 in words is "twenty-three billion, two hundred twenty-four million, four hundred one thousand, three hundred twenty-one".