126423555941 has 2 divisors, whose sum is σ = 126423555942. Its totient is φ = 126423555940.

The previous prime is 126423555919. The next prime is 126423556019. The reversal of 126423555941 is 149555324621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83894805316 + 42528750625 = 289646^2 + 206225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126423555941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126423555641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63211777970 + 63211777971.

It is an arithmetic number, because the mean of its divisors is an integer number (63211777971).

Almost surely, 2^126423555941 is an apocalyptic number.

It is an amenable number.

126423555941 is a deficient number, since it is larger than the sum of its proper divisors (1).

126423555941 is an equidigital number, since it uses as much as digits as its factorization.

126423555941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 47.

The spelling of 126423555941 in words is "one hundred twenty-six billion, four hundred twenty-three million, five hundred fifty-five thousand, nine hundred forty-one".