423500305447 has 2 divisors, whose sum is σ = 423500305448. Its totient is φ = 423500305446.

The previous prime is 423500305399. The next prime is 423500305469. The reversal of 423500305447 is 744503005324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423500305447 - 2¹¹ = 423500303399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423500305147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211750152723 + 211750152724.

It is an arithmetic number, because the mean of its divisors is an integer number (211750152724).

Almost surely, 2^423500305447 is an apocalyptic number.

423500305447 is a deficient number, since it is larger than the sum of its proper divisors (1).

423500305447 is an equidigital number, since it uses as much as digits as its factorization.

423500305447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 37.

The spelling of 423500305447 in words is "four hundred twenty-three billion, five hundred million, three hundred five thousand, four hundred forty-seven".