126423145426541 has 2 divisors, whose sum is σ = 126423145426542. Its totient is φ = 126423145426540.

The previous prime is 126423145426511. The next prime is 126423145426579. The reversal of 126423145426541 is 145624541324621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116740375185316 + 9682770241225 = 10804646^2 + 3111715^2 .

It is a cyclic number.

It is not a de Polignac number, because 126423145426541 - 2⁶ = 126423145426477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126423145426541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126423145426511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63211572713270 + 63211572713271.

It is an arithmetic number, because the mean of its divisors is an integer number (63211572713271).

Almost surely, 2^{126423145426541} is an apocalyptic number.

It is an amenable number.

126423145426541 is a deficient number, since it is larger than the sum of its proper divisors (1).

126423145426541 is an equidigital number, since it uses as much as digits as its factorization.

126423145426541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5529600, while the sum is 50.

The spelling of 126423145426541 in words is "one hundred twenty-six trillion, four hundred twenty-three billion, one hundred forty-five million, four hundred twenty-six thousand, five hundred forty-one".