423058581643 has 2 divisors, whose sum is σ = 423058581644. Its totient is φ = 423058581642.

The previous prime is 423058581581. The next prime is 423058581703. The reversal of 423058581643 is 346185850324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423058581643 is a prime.

It is not a weakly prime, because it can be changed into another prime (423058581943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211529290821 + 211529290822.

It is an arithmetic number, because the mean of its divisors is an integer number (211529290822).

Almost surely, 2^423058581643 is an apocalyptic number.

423058581643 is a deficient number, since it is larger than the sum of its proper divisors (1).

423058581643 is an equidigital number, since it uses as much as digits as its factorization.

423058581643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 423058581643 in words is "four hundred twenty-three billion, fifty-eight million, five hundred eighty-one thousand, six hundred forty-three".