23144521 has 8 divisors (see below), whose sum is σ = 23414400. Its totient is φ = 22876560.

The previous prime is 23144503. The next prime is 23144567. The reversal of 23144521 is 12544132.

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 23144521 - 2¹³ = 23136329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23144492 and 23144501.

It is not an unprimeable number, because it can be changed into a prime (23144591) 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, 42511 + ... + 43051.

It is an arithmetic number, because the mean of its divisors is an integer number (2926800).

Almost surely, 2^23144521 is an apocalyptic number.

It is an amenable number.

23144521 is a deficient number, since it is larger than the sum of its proper divisors (269879).

23144521 is a wasteful number, since it uses less digits than its factorization.

23144521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its digits is 960, while the sum is 22.

The square root of 23144521 is about 4810.8752841869. The cubic root of 23144521 is about 284.9811047286.

Adding to 23144521 its reverse (12544132), we get a palindrome (35688653).

The spelling of 23144521 in words is "twenty-three million, one hundred forty-four thousand, five hundred twenty-one".