671062135123 has 2 divisors, whose sum is σ = 671062135124. Its totient is φ = 671062135122.

The previous prime is 671062135043. The next prime is 671062135147. The reversal of 671062135123 is 321531260176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671062135123 - 2³³ = 662472200531 is a prime.

It is not a weakly prime, because it can be changed into another prime (671062135423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335531067561 + 335531067562.

It is an arithmetic number, because the mean of its divisors is an integer number (335531067562).

Almost surely, 2^671062135123 is an apocalyptic number.

671062135123 is a deficient number, since it is larger than the sum of its proper divisors (1).

671062135123 is an equidigital number, since it uses as much as digits as its factorization.

671062135123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

Adding to 671062135123 its reverse (321531260176), we get a palindrome (992593395299).

The spelling of 671062135123 in words is "six hundred seventy-one billion, sixty-two million, one hundred thirty-five thousand, one hundred twenty-three".