21214554414023 has 2 divisors, whose sum is σ = 21214554414024. Its totient is φ = 21214554414022.

The previous prime is 21214554414013. The next prime is 21214554414041. The reversal of 21214554414023 is 32041445541212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21214554414023 - 2⁴² = 16816507902919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21214554414013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10607277207011 + 10607277207012.

It is an arithmetic number, because the mean of its divisors is an integer number (10607277207012).

Almost surely, 2^{21214554414023} is an apocalyptic number.

21214554414023 is a deficient number, since it is larger than the sum of its proper divisors (1).

21214554414023 is an equidigital number, since it uses as much as digits as its factorization.

21214554414023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 21214554414023 its reverse (32041445541212), we get a palindrome (53255999955235).

The spelling of 21214554414023 in words is "twenty-one trillion, two hundred fourteen billion, five hundred fifty-four million, four hundred fourteen thousand, twenty-three".