423423125455289 has 2 divisors, whose sum is σ = 423423125455290. Its totient is φ = 423423125455288.

The previous prime is 423423125455283. The next prime is 423423125455301. The reversal of 423423125455289 is 982554521324324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287282838336400 + 136140287118889 = 16949420^2 + 11667917^2 .

It is a cyclic number.

It is not a de Polignac number, because 423423125455289 - 2³² = 423418830487993 is a prime.

It is not a weakly prime, because it can be changed into another prime (423423125455283) 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, 211711562727644 + 211711562727645.

It is an arithmetic number, because the mean of its divisors is an integer number (211711562727645).

Almost surely, 2^{423423125455289} is an apocalyptic number.

It is an amenable number.

423423125455289 is a deficient number, since it is larger than the sum of its proper divisors (1).

423423125455289 is an equidigital number, since it uses as much as digits as its factorization.

423423125455289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944000, while the sum is 59.

The spelling of 423423125455289 in words is "four hundred twenty-three trillion, four hundred twenty-three billion, one hundred twenty-five million, four hundred fifty-five thousand, two hundred eighty-nine".