126564606923 has 2 divisors, whose sum is σ = 126564606924. Its totient is φ = 126564606922.

The previous prime is 126564606913. The next prime is 126564607031. The reversal of 126564606923 is 329606465621.

It is a weak prime.

It is an emirp because it is prime and its reverse (329606465621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126564606923 - 2⁶ = 126564606859 is a prime.

It is a super-3 number, since 3×126564606923³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (126564606913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63282303461 + 63282303462.

It is an arithmetic number, because the mean of its divisors is an integer number (63282303462).

Almost surely, 2^126564606923 is an apocalyptic number.

126564606923 is a deficient number, since it is larger than the sum of its proper divisors (1).

126564606923 is an equidigital number, since it uses as much as digits as its factorization.

126564606923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 126564606923 in words is "one hundred twenty-six billion, five hundred sixty-four million, six hundred six thousand, nine hundred twenty-three".