11421022012423 has 2 divisors, whose sum is σ = 11421022012424. Its totient is φ = 11421022012422.

The previous prime is 11421022012363. The next prime is 11421022012441. The reversal of 11421022012423 is 32421022012411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11421022012423 - 2⁹ = 11421022011911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11421022012223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710511006211 + 5710511006212.

It is an arithmetic number, because the mean of its divisors is an integer number (5710511006212).

Almost surely, 2^{11421022012423} is an apocalyptic number.

11421022012423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421022012423 is an equidigital number, since it uses as much as digits as its factorization.

11421022012423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11421022012423 its reverse (32421022012411), we get a palindrome (43842044024834).

The spelling of 11421022012423 in words is "eleven trillion, four hundred twenty-one billion, twenty-two million, twelve thousand, four hundred twenty-three".