126423555683 has 2 divisors, whose sum is σ = 126423555684. Its totient is φ = 126423555682.

The previous prime is 126423555641. The next prime is 126423555701. The reversal of 126423555683 is 386555324621.

It is a strong prime.

It is an emirp because it is prime and its reverse (386555324621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126423555683 - 2⁶ = 126423555619 is a prime.

It is not a weakly prime, because it can be changed into another prime (126423515683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63211777841 + 63211777842.

It is an arithmetic number, because the mean of its divisors is an integer number (63211777842).

Almost surely, 2^126423555683 is an apocalyptic number.

126423555683 is a deficient number, since it is larger than the sum of its proper divisors (1).

126423555683 is an equidigital number, since it uses as much as digits as its factorization.

126423555683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184000, while the sum is 50.

The spelling of 126423555683 in words is "one hundred twenty-six billion, four hundred twenty-three million, five hundred fifty-five thousand, six hundred eighty-three".