21041141423 has 2 divisors, whose sum is σ = 21041141424. Its totient is φ = 21041141422.

The previous prime is 21041141399. The next prime is 21041141437. The reversal of 21041141423 is 32414114012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21041141423 - 2¹⁰ = 21041140399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21041141483) 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, 10520570711 + 10520570712.

It is an arithmetic number, because the mean of its divisors is an integer number (10520570712).

Almost surely, 2^21041141423 is an apocalyptic number.

21041141423 is a deficient number, since it is larger than the sum of its proper divisors (1).

21041141423 is an equidigital number, since it uses as much as digits as its factorization.

21041141423 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 23.

Adding to 21041141423 its reverse (32414114012), we get a palindrome (53455255435).

The spelling of 21041141423 in words is "twenty-one billion, forty-one million, one hundred forty-one thousand, four hundred twenty-three".