126863647323 has 16 divisors (see below), whose sum is σ = 197261260800. Its totient is φ = 72493512168.

The previous prime is 126863647277. The next prime is 126863647343. The reversal of 126863647323 is 323746368621.

It is not a de Polignac number, because 126863647323 - 2¹⁴ = 126863630939 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (126863647343) 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 15 ways as a sum of consecutive naturals, for example, 61643115 + ... + 61645172.

It is an arithmetic number, because the mean of its divisors is an integer number (12328828800).

Almost surely, 2^126863647323 is an apocalyptic number.

126863647323 is a deficient number, since it is larger than the sum of its proper divisors (70397613477).

126863647323 is an equidigital number, since it uses as much as digits as its factorization.

126863647323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123288311 (or 123288297 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 51.

The spelling of 126863647323 in words is "one hundred twenty-six billion, eight hundred sixty-three million, six hundred forty-seven thousand, three hundred twenty-three".