23323144321 has 8 divisors (see below), whose sum is σ = 23557241088. Its totient is φ = 23089110000.

The previous prime is 23323144307. The next prime is 23323144343. The reversal of 23323144321 is 12344132332.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23323144321 - 2¹¹ = 23323142273 is a prime.

It is a super-2 number, since 2×23323144321² (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 23323144321.

It is not an unprimeable number, because it can be changed into a prime (23323144381) 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, 1223856 + ... + 1242766.

It is an arithmetic number, because the mean of its divisors is an integer number (2944655136).

Almost surely, 2^23323144321 is an apocalyptic number.

It is an amenable number.

23323144321 is a deficient number, since it is larger than the sum of its proper divisors (234096767).

23323144321 is a wasteful number, since it uses less digits than its factorization.

23323144321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31223.

The product of its digits is 10368, while the sum is 28.

Adding to 23323144321 its reverse (12344132332), we get a palindrome (35667276653).

The spelling of 23323144321 in words is "twenty-three billion, three hundred twenty-three million, one hundred forty-four thousand, three hundred twenty-one".