127342646343 has 32 divisors (see below), whose sum is σ = 206297683200. Its totient is φ = 76993092000.

The previous prime is 127342646287. The next prime is 127342646359. The reversal of 127342646343 is 343646243721.

127342646343 is a `hidden beast` number, since 1 + 2 + 7 + 3 + 4 + 2 + 6 + 4 + 634 + 3 = 666.

It is not a de Polignac number, because 127342646343 - 2¹⁷ = 127342515271 is a prime.

It is a super-2 number, since 2×127342646343² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127342646383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387208 + ... + 636093.

It is an arithmetic number, because the mean of its divisors is an integer number (6446802600).

Almost surely, 2^127342646343 is an apocalyptic number.

127342646343 is a deficient number, since it is larger than the sum of its proper divisors (78955036857).

127342646343 is a wasteful number, since it uses less digits than its factorization.

127342646343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023740 (or 1023734 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 45.

The spelling of 127342646343 in words is "one hundred twenty-seven billion, three hundred forty-two million, six hundred forty-six thousand, three hundred forty-three".