172238895683 has 2 divisors, whose sum is σ = 172238895684. Its totient is φ = 172238895682.

The previous prime is 172238895667. The next prime is 172238895793. The reversal of 172238895683 is 386598832271.

It is a weak prime.

It is an emirp because it is prime and its reverse (386598832271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172238895683 - 2⁴ = 172238895667 is a prime.

It is not a weakly prime, because it can be changed into another prime (172238895613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86119447841 + 86119447842.

It is an arithmetic number, because the mean of its divisors is an integer number (86119447842).

Almost surely, 2^172238895683 is an apocalyptic number.

172238895683 is a deficient number, since it is larger than the sum of its proper divisors (1).

172238895683 is an equidigital number, since it uses as much as digits as its factorization.

172238895683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 62.

The spelling of 172238895683 in words is "one hundred seventy-two billion, two hundred thirty-eight million, eight hundred ninety-five thousand, six hundred eighty-three".