23144321 has 8 divisors (see below), whose sum is σ = 24105984. Its totient is φ = 22196160.

The previous prime is 23144311. The next prime is 23144339. The reversal of 23144321 is 12344132.

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 23144321 - 2¹⁰ = 23143297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23144293 and 23144302.

It is not an unprimeable number, because it can be changed into a prime (23144311) 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, 200 + ... + 6806.

It is an arithmetic number, because the mean of its divisors is an integer number (3013248).

Almost surely, 2^23144321 is an apocalyptic number.

It is an amenable number.

23144321 is a deficient number, since it is larger than the sum of its proper divisors (961663).

23144321 is a wasteful number, since it uses less digits than its factorization.

23144321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751.

The product of its digits is 576, while the sum is 20.

The square root of 23144321 is about 4810.8544979037. The cubic root of 23144321 is about 284.9802838520.

Adding to 23144321 its reverse (12344132), we get a palindrome (35488453).

The spelling of 23144321 in words is "twenty-three million, one hundred forty-four thousand, three hundred twenty-one".