127318223 has 4 divisors (see below), whose sum is σ = 128630880. Its totient is φ = 126005568.

The previous prime is 127318211. The next prime is 127318249. The reversal of 127318223 is 322813721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322813721 = 59 ⋅5471419.

It is a cyclic number.

It is not a de Polignac number, because 127318223 - 2¹² = 127314127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127318523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656183 + ... + 656376.

It is an arithmetic number, because the mean of its divisors is an integer number (32157720).

Almost surely, 2^127318223 is an apocalyptic number.

127318223 is a deficient number, since it is larger than the sum of its proper divisors (1312657).

127318223 is an equidigital number, since it uses as much as digits as its factorization.

127318223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312656.

The product of its digits is 4032, while the sum is 29.

The square root of 127318223 is about 11283.5376987893. The cubic root of 127318223 is about 503.0720503566.

The spelling of 127318223 in words is "one hundred twenty-seven million, three hundred eighteen thousand, two hundred twenty-three".