423536506271 has 2 divisors, whose sum is σ = 423536506272. Its totient is φ = 423536506270.

The previous prime is 423536506111. The next prime is 423536506291. The reversal of 423536506271 is 172605635324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423536506271 - 2¹⁸ = 423536244127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423536506291) 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, 211768253135 + 211768253136.

It is an arithmetic number, because the mean of its divisors is an integer number (211768253136).

Almost surely, 2^423536506271 is an apocalyptic number.

423536506271 is a deficient number, since it is larger than the sum of its proper divisors (1).

423536506271 is an equidigital number, since it uses as much as digits as its factorization.

423536506271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 423536506271 in words is "four hundred twenty-three billion, five hundred thirty-six million, five hundred six thousand, two hundred seventy-one".