423113020427 has 2 divisors, whose sum is σ = 423113020428. Its totient is φ = 423113020426.

The previous prime is 423113020423. The next prime is 423113020453. The reversal of 423113020427 is 724020311324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423113020427 - 2² = 423113020423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423113020427.

It is not a weakly prime, because it can be changed into another prime (423113020423) 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, 211556510213 + 211556510214.

It is an arithmetic number, because the mean of its divisors is an integer number (211556510214).

Almost surely, 2^423113020427 is an apocalyptic number.

423113020427 is a deficient number, since it is larger than the sum of its proper divisors (1).

423113020427 is an equidigital number, since it uses as much as digits as its factorization.

423113020427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 423113020427 in words is "four hundred twenty-three billion, one hundred thirteen million, twenty thousand, four hundred twenty-seven".