23641143 has 8 divisors (see below), whose sum is σ = 31549056. Its totient is φ = 15747000.

The previous prime is 23641129. The next prime is 23641147. The reversal of 23641143 is 34114632.

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

It is a de Polignac number, because none of the positive numbers 2^k-23641143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23641147) 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, 1638 + ... + 7068.

It is an arithmetic number, because the mean of its divisors is an integer number (3943632).

Almost surely, 2^23641143 is an apocalyptic number.

23641143 is a deficient number, since it is larger than the sum of its proper divisors (7907913).

23641143 is a wasteful number, since it uses less digits than its factorization.

23641143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885.

The product of its digits is 1728, while the sum is 24.

The square root of 23641143 is about 4862.2158528802. The cubic root of 23641143 is about 287.0050179814.

Adding to 23641143 its reverse (34114632), we get a palindrome (57755775).

The spelling of 23641143 in words is "twenty-three million, six hundred forty-one thousand, one hundred forty-three".