23613201 has 10 divisors (see below), whose sum is σ = 35274162. Its totient is φ = 15742080.

The previous prime is 23613199. The next prime is 23613217. The reversal of 23613201 is 10231632.

It can be written as a sum of positive squares in only one way, i.e., 23270976 + 342225 = 4824^2 + 585^2 .

It is not a de Polignac number, because 23613201 - 2¹ = 23613199 is a prime.

It is a super-2 number, since 2×23613201² = 1115166522932802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23613281) 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 9 ways as a sum of consecutive naturals, for example, 145680 + ... + 145841.

Almost surely, 2^23613201 is an apocalyptic number.

It is an amenable number.

23613201 is a deficient number, since it is larger than the sum of its proper divisors (11660961).

23613201 is an equidigital number, since it uses as much as digits as its factorization.

23613201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291533 (or 291524 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 23613201 is about 4859.3416220719. The cubic root of 23613201 is about 286.8919008369.

Adding to 23613201 its reverse (10231632), we get a palindrome (33844833).

The spelling of 23613201 in words is "twenty-three million, six hundred thirteen thousand, two hundred one".