21052932443423 has 2 divisors, whose sum is σ = 21052932443424. Its totient is φ = 21052932443422.

The previous prime is 21052932443359. The next prime is 21052932443441. The reversal of 21052932443423 is 32434423925012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21052932443423 - 2⁶ = 21052932443359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21052932443453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10526466221711 + 10526466221712.

It is an arithmetic number, because the mean of its divisors is an integer number (10526466221712).

Almost surely, 2^{21052932443423} is an apocalyptic number.

21052932443423 is a deficient number, since it is larger than the sum of its proper divisors (1).

21052932443423 is an equidigital number, since it uses as much as digits as its factorization.

21052932443423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 21052932443423 in words is "twenty-one trillion, fifty-two billion, nine hundred thirty-two million, four hundred forty-three thousand, four hundred twenty-three".