127966823 has 2 divisors, whose sum is σ = 127966824. Its totient is φ = 127966822.

The previous prime is 127966801. The next prime is 127966829. The reversal of 127966823 is 328669721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127966823 - 2⁸ = 127966567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127966829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63983411 + 63983412.

It is an arithmetic number, because the mean of its divisors is an integer number (63983412).

Almost surely, 2^127966823 is an apocalyptic number.

127966823 is a deficient number, since it is larger than the sum of its proper divisors (1).

127966823 is an equidigital number, since it uses as much as digits as its factorization.

127966823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 127966823 is about 11312.2421738575. The cubic root of 127966823 is about 503.9248741114.

The spelling of 127966823 in words is "one hundred twenty-seven million, nine hundred sixty-six thousand, eight hundred twenty-three".