23643346 has 4 divisors (see below), whose sum is σ = 35465022. Its totient is φ = 11821672.

The previous prime is 23643331. The next prime is 23643371. The reversal of 23643346 is 64334632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20349121 + 3294225 = 4511^2 + 1815^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5910835 + ... + 5910838.

Almost surely, 2^23643346 is an apocalyptic number.

23643346 is a deficient number, since it is larger than the sum of its proper divisors (11821676).

23643346 is a wasteful number, since it uses less digits than its factorization.

23643346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11821675.

The product of its digits is 31104, while the sum is 31.

The square root of 23643346 is about 4862.4423904042. The cubic root of 23643346 is about 287.0139325590.

Adding to 23643346 its reverse (64334632), we get a palindrome (87977978).

The spelling of 23643346 in words is "twenty-three million, six hundred forty-three thousand, three hundred forty-six".