423173772611 has 2 divisors, whose sum is σ = 423173772612. Its totient is φ = 423173772610.

The previous prime is 423173772563. The next prime is 423173772737. The reversal of 423173772611 is 116277371324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423173772611 - 2⁶ = 423173772547 is a prime.

It is not a weakly prime, because it can be changed into another prime (423173772211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211586886305 + 211586886306.

It is an arithmetic number, because the mean of its divisors is an integer number (211586886306).

Almost surely, 2^423173772611 is an apocalyptic number.

423173772611 is a deficient number, since it is larger than the sum of its proper divisors (1).

423173772611 is an equidigital number, since it uses as much as digits as its factorization.

423173772611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 44.

The spelling of 423173772611 in words is "four hundred twenty-three billion, one hundred seventy-three million, seven hundred seventy-two thousand, six hundred eleven".