11421420223223 has 2 divisors, whose sum is σ = 11421420223224. Its totient is φ = 11421420223222.

The previous prime is 11421420223219. The next prime is 11421420223253. The reversal of 11421420223223 is 32232202412411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11421420223223 - 2² = 11421420223219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11421420223253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710710111611 + 5710710111612.

It is an arithmetic number, because the mean of its divisors is an integer number (5710710111612).

Almost surely, 2^{11421420223223} is an apocalyptic number.

11421420223223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421420223223 is an equidigital number, since it uses as much as digits as its factorization.

11421420223223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 11421420223223 its reverse (32232202412411), we get a palindrome (43653622635634).

The spelling of 11421420223223 in words is "eleven trillion, four hundred twenty-one billion, four hundred twenty million, two hundred twenty-three thousand, two hundred twenty-three".