23644123 has 2 divisors, whose sum is σ = 23644124. Its totient is φ = 23644122.

The previous prime is 23644121. The next prime is 23644139. The reversal of 23644123 is 32144632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23644123 - 2¹ = 23644121 is a prime.

Together with 23644121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23644121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11822061 + 11822062.

It is an arithmetic number, because the mean of its divisors is an integer number (11822062).

Almost surely, 2^23644123 is an apocalyptic number.

23644123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23644123 is an equidigital number, since it uses as much as digits as its factorization.

23644123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 23644123 is about 4862.5222878667. The cubic root of 23644123 is about 287.0170766062.

Adding to 23644123 its reverse (32144632), we get a palindrome (55788755).

The spelling of 23644123 in words is "twenty-three million, six hundred forty-four thousand, one hundred twenty-three".