41581223 has 2 divisors, whose sum is σ = 41581224. Its totient is φ = 41581222.

The previous prime is 41581153. The next prime is 41581231. The reversal of 41581223 is 32218514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41581223 - 2¹² = 41577127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41581192 and 41581201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41581123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20790611 + 20790612.

It is an arithmetic number, because the mean of its divisors is an integer number (20790612).

Almost surely, 2^41581223 is an apocalyptic number.

41581223 is a deficient number, since it is larger than the sum of its proper divisors (1).

41581223 is an equidigital number, since it uses as much as digits as its factorization.

41581223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 41581223 is about 6448.3504092132. The cubic root of 41581223 is about 346.4435016892.

Adding to 41581223 its reverse (32218514), we get a palindrome (73799737).

The spelling of 41581223 in words is "forty-one million, five hundred eighty-one thousand, two hundred twenty-three".