172727126323 has 2 divisors, whose sum is σ = 172727126324. Its totient is φ = 172727126322.

The previous prime is 172727126293. The next prime is 172727126393. The reversal of 172727126323 is 323621727271.

It is a happy number.

172727126323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172727126323 - 2²⁵ = 172693571891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172727126323.

It is not a weakly prime, because it can be changed into another prime (172727126393) 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, 86363563161 + 86363563162.

It is an arithmetic number, because the mean of its divisors is an integer number (86363563162).

Almost surely, 2^172727126323 is an apocalyptic number.

172727126323 is a deficient number, since it is larger than the sum of its proper divisors (1).

172727126323 is an equidigital number, since it uses as much as digits as its factorization.

172727126323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 43.

The spelling of 172727126323 in words is "one hundred seventy-two billion, seven hundred twenty-seven million, one hundred twenty-six thousand, three hundred twenty-three".