126512703923 has 2 divisors, whose sum is σ = 126512703924. Its totient is φ = 126512703922.

The previous prime is 126512703871. The next prime is 126512703931. The reversal of 126512703923 is 329307215621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126512703923 - 2¹² = 126512699827 is a prime.

It is not a weakly prime, because it can be changed into another prime (126572703923) 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 as a sum of consecutive naturals, namely, 63256351961 + 63256351962.

It is an arithmetic number, because the mean of its divisors is an integer number (63256351962).

Almost surely, 2^126512703923 is an apocalyptic number.

126512703923 is a deficient number, since it is larger than the sum of its proper divisors (1).

126512703923 is an equidigital number, since it uses as much as digits as its factorization.

126512703923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 126512703923 in words is "one hundred twenty-six billion, five hundred twelve million, seven hundred three thousand, nine hundred twenty-three".