23009601 has 16 divisors (see below), whose sum is σ = 31705344. Its totient is φ = 14834064.

The previous prime is 23009521. The next prime is 23009611. The reversal of 23009601 is 10690032.

It is not a de Polignac number, because 23009601 - 2¹⁰ = 23008577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23009611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12970 + ... + 14636.

It is an arithmetic number, because the mean of its divisors is an integer number (1981584).

Almost surely, 2^23009601 is an apocalyptic number.

It is an amenable number.

23009601 is a deficient number, since it is larger than the sum of its proper divisors (8695743).

23009601 is a wasteful number, since it uses less digits than its factorization.

23009601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 23009601 is about 4796.8323923189. The cubic root of 23009601 is about 284.4262634468.

Adding to 23009601 its reverse (10690032), we get a palindrome (33699633).

The spelling of 23009601 in words is "twenty-three million, nine thousand, six hundred one".