23644061 has 4 divisors (see below), whose sum is σ = 27021792. Its totient is φ = 20266332.

The previous prime is 23644051. The next prime is 23644121. The reversal of 23644061 is 16044632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23644061 - 2²² = 19449757 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23644061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23644051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688855 + ... + 1688868.

It is an arithmetic number, because the mean of its divisors is an integer number (6755448).

Almost surely, 2^23644061 is an apocalyptic number.

It is an amenable number.

23644061 is a deficient number, since it is larger than the sum of its proper divisors (3377731).

23644061 is an equidigital number, since it uses as much as digits as its factorization.

23644061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377730.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 23644061 is about 4862.5159125704. The cubic root of 23644061 is about 287.0168257323.

Adding to 23644061 its reverse (16044632), we get a palindrome (39688693).

The spelling of 23644061 in words is "twenty-three million, six hundred forty-four thousand, sixty-one".