23671201 has 4 divisors (see below), whose sum is σ = 23915332. Its totient is φ = 23427072.

The previous prime is 23671189. The next prime is 23671211. The reversal of 23671201 is 10217632.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4835601 + 18835600 = 2199^2 + 4340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23671201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23671211) 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 3 ways as a sum of consecutive naturals, for example, 121920 + ... + 122113.

It is an arithmetic number, because the mean of its divisors is an integer number (5978833).

Almost surely, 2^23671201 is an apocalyptic number.

It is an amenable number.

23671201 is a deficient number, since it is larger than the sum of its proper divisors (244131).

23671201 is an equidigital number, since it uses as much as digits as its factorization.

23671201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244130.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 23671201 is about 4865.3058485567. The cubic root of 23671201 is about 287.1266018277.

Adding to 23671201 its reverse (10217632), we get a palindrome (33888833).

The spelling of 23671201 in words is "twenty-three million, six hundred seventy-one thousand, two hundred one".