23643073 has 8 divisors (see below), whose sum is σ = 25076520. Its totient is φ = 22214400.

The previous prime is 23643047. The next prime is 23643089. The reversal of 23643073 is 37034632.

It can be written as a sum of positive squares in 4 ways, for example, as 535824 + 23107249 = 732^2 + 4807^2 .

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 23643073 - 2¹³ = 23634881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23643973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17523 + ... + 18823.

It is an arithmetic number, because the mean of its divisors is an integer number (3134565).

Almost surely, 2^23643073 is an apocalyptic number.

It is an amenable number.

23643073 is a deficient number, since it is larger than the sum of its proper divisors (1433447).

23643073 is a wasteful number, since it uses less digits than its factorization.

23643073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387.

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 23643073 is about 4862.4143180112. The cubic root of 23643073 is about 287.0128278775.

The spelling of 23643073 in words is "twenty-three million, six hundred forty-three thousand, seventy-three".