223638041 has 4 divisors (see below), whose sum is σ = 243968784. Its totient is φ = 203307300.

The previous prime is 223638011. The next prime is 223638049. The reversal of 223638041 is 140836322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223638041 - 2¹⁰ = 223637017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223637995 and 223638013.

It is not an unprimeable number, because it can be changed into a prime (223638049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10165355 + ... + 10165376.

It is an arithmetic number, because the mean of its divisors is an integer number (60992196).

Almost surely, 2^223638041 is an apocalyptic number.

It is an amenable number.

223638041 is a deficient number, since it is larger than the sum of its proper divisors (20330743).

223638041 is a wasteful number, since it uses less digits than its factorization.

223638041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20330742.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 223638041 is about 14954.5324567504. The cubic root of 223638041 is about 606.9904987625.

The spelling of 223638041 in words is "two hundred twenty-three million, six hundred thirty-eight thousand, forty-one".