23135641 has 8 divisors (see below), whose sum is σ = 23993600. Its totient is φ = 22284720.

The previous prime is 23135633. The next prime is 23135681. The reversal of 23135641 is 14653132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23135641 - 2³ = 23135633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23135681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5470 + ... + 8728.

It is an arithmetic number, because the mean of its divisors is an integer number (2999200).

Almost surely, 2^23135641 is an apocalyptic number.

It is an amenable number.

23135641 is a deficient number, since it is larger than the sum of its proper divisors (857959).

23135641 is a wasteful number, since it uses less digits than its factorization.

23135641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519.

The product of its digits is 2160, while the sum is 25.

The square root of 23135641 is about 4809.9522866656. The cubic root of 23135641 is about 284.9446532516.

Adding to 23135641 its reverse (14653132), we get a palindrome (37788773).

The spelling of 23135641 in words is "twenty-three million, one hundred thirty-five thousand, six hundred forty-one".