671246288123 has 2 divisors, whose sum is σ = 671246288124. Its totient is φ = 671246288122.

The previous prime is 671246288051. The next prime is 671246288137. The reversal of 671246288123 is 321882642176.

671246288123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671246288123 - 2¹⁴ = 671246271739 is a prime.

It is a super-3 number, since 3×671246288123³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (671246288173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335623144061 + 335623144062.

It is an arithmetic number, because the mean of its divisors is an integer number (335623144062).

Almost surely, 2^671246288123 is an apocalyptic number.

671246288123 is a deficient number, since it is larger than the sum of its proper divisors (1).

671246288123 is an equidigital number, since it uses as much as digits as its factorization.

671246288123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 50.

The spelling of 671246288123 in words is "six hundred seventy-one billion, two hundred forty-six million, two hundred eighty-eight thousand, one hundred twenty-three".