23236641 has 24 divisors (see below), whose sum is σ = 34754720. Its totient is φ = 14950656.

The previous prime is 23236613. The next prime is 23236643. The reversal of 23236641 is 14663232.

It is not a de Polignac number, because 23236641 - 2⁷ = 23236513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23236643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37230 + ... + 37848.

Almost surely, 2^23236641 is an apocalyptic number.

It is an amenable number.

23236641 is a deficient number, since it is larger than the sum of its proper divisors (11518079).

23236641 is a wasteful number, since it uses less digits than its factorization.

23236641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 762 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 23236641 is about 4820.4399176839. The cubic root of 23236641 is about 285.3586988628.

Adding to 23236641 its reverse (14663232), we get a palindrome (37899873).

The spelling of 23236641 in words is "twenty-three million, two hundred thirty-six thousand, six hundred forty-one".