21230414041 has 2 divisors, whose sum is σ = 21230414042. Its totient is φ = 21230414040.

The previous prime is 21230414033. The next prime is 21230414053. The reversal of 21230414041 is 14041403212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18193963225 + 3036450816 = 134885^2 + 55104^2 .

It is a cyclic number.

It is not a de Polignac number, because 21230414041 - 2³ = 21230414033 is a prime.

It is a super-3 number, since 3×21230414041³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (21230414021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10615207020 + 10615207021.

It is an arithmetic number, because the mean of its divisors is an integer number (10615207021).

Almost surely, 2^21230414041 is an apocalyptic number.

It is an amenable number.

21230414041 is a deficient number, since it is larger than the sum of its proper divisors (1).

21230414041 is an equidigital number, since it uses as much as digits as its factorization.

21230414041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21230414041 its reverse (14041403212), we get a palindrome (35271817253).

The spelling of 21230414041 in words is "twenty-one billion, two hundred thirty million, four hundred fourteen thousand, forty-one".