123051206671 has 2 divisors, whose sum is σ = 123051206672. Its totient is φ = 123051206670.

The previous prime is 123051206657. The next prime is 123051206689. The reversal of 123051206671 is 176602150321.

It is a weak prime.

It is an emirp because it is prime and its reverse (176602150321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123051206671 - 2¹⁷ = 123051075599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123051206771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61525603335 + 61525603336.

It is an arithmetic number, because the mean of its divisors is an integer number (61525603336).

Almost surely, 2^123051206671 is an apocalyptic number.

123051206671 is a deficient number, since it is larger than the sum of its proper divisors (1).

123051206671 is an equidigital number, since it uses as much as digits as its factorization.

123051206671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 123051206671 its reverse (176602150321), we get a palindrome (299653356992).

The spelling of 123051206671 in words is "one hundred twenty-three billion, fifty-one million, two hundred six thousand, six hundred seventy-one".