23843641 has 4 divisors (see below), whose sum is σ = 24062500. Its totient is φ = 23624784.

The previous prime is 23843627. The next prime is 23843647. The reversal of 23843641 is 14634832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15840400 + 8003241 = 3980^2 + 2829^2 .

It is a cyclic number.

It is not a de Polignac number, because 23843641 - 2⁵ = 23843609 is a prime.

It is a super-2 number, since 2×23843641² = 1137038432273762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23843647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109266 + ... + 109483.

It is an arithmetic number, because the mean of its divisors is an integer number (6015625).

Almost surely, 2^23843641 is an apocalyptic number.

It is an amenable number.

23843641 is a deficient number, since it is larger than the sum of its proper divisors (218859).

23843641 is a wasteful number, since it uses less digits than its factorization.

23843641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218858.

The product of its digits is 13824, while the sum is 31.

The square root of 23843641 is about 4882.9950849863. The cubic root of 23843641 is about 287.8221357075.

The spelling of 23843641 in words is "twenty-three million, eight hundred forty-three thousand, six hundred forty-one".