505223566427 has 2 divisors, whose sum is σ = 505223566428. Its totient is φ = 505223566426.

The previous prime is 505223566417. The next prime is 505223566447. The reversal of 505223566427 is 724665322505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505223566427 - 2²⁴ = 505206789211 is a prime.

It is not a weakly prime, because it can be changed into another prime (505223566417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252611783213 + 252611783214.

It is an arithmetic number, because the mean of its divisors is an integer number (252611783214).

Almost surely, 2^505223566427 is an apocalyptic number.

505223566427 is a deficient number, since it is larger than the sum of its proper divisors (1).

505223566427 is an equidigital number, since it uses as much as digits as its factorization.

505223566427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 505223566427 in words is "five hundred five billion, two hundred twenty-three million, five hundred sixty-six thousand, four hundred twenty-seven".