172211342323 has 2 divisors, whose sum is σ = 172211342324. Its totient is φ = 172211342322.

The previous prime is 172211342221. The next prime is 172211342357. The reversal of 172211342323 is 323243112271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172211342323 - 2²⁵ = 172177787891 is a prime.

It is not a weakly prime, because it can be changed into another prime (172211342393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86105671161 + 86105671162.

It is an arithmetic number, because the mean of its divisors is an integer number (86105671162).

Almost surely, 2^172211342323 is an apocalyptic number.

172211342323 is a deficient number, since it is larger than the sum of its proper divisors (1).

172211342323 is an equidigital number, since it uses as much as digits as its factorization.

172211342323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

Adding to 172211342323 its reverse (323243112271), we get a palindrome (495454454594).

The spelling of 172211342323 in words is "one hundred seventy-two billion, two hundred eleven million, three hundred forty-two thousand, three hundred twenty-three".