126318614763723 has 4 divisors (see below), whose sum is σ = 168424819684968. Its totient is φ = 84212409842480.

The previous prime is 126318614763641. The next prime is 126318614763751. The reversal of 126318614763723 is 327367416813621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126318614763723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126318614763773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21053102460618 + ... + 21053102460623.

It is an arithmetic number, because the mean of its divisors is an integer number (42106204921242).

Almost surely, 2^{126318614763723} is an apocalyptic number.

126318614763723 is a deficient number, since it is larger than the sum of its proper divisors (42106204921245).

126318614763723 is an equidigital number, since it uses as much as digits as its factorization.

126318614763723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42106204921244.

The product of its digits is 36578304, while the sum is 60.

The spelling of 126318614763723 in words is "one hundred twenty-six trillion, three hundred eighteen billion, six hundred fourteen million, seven hundred sixty-three thousand, seven hundred twenty-three".