172430342111 has 2 divisors, whose sum is σ = 172430342112. Its totient is φ = 172430342110.

The previous prime is 172430342107. The next prime is 172430342159. The reversal of 172430342111 is 111243034271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172430342111 - 2² = 172430342107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172430342611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86215171055 + 86215171056.

It is an arithmetic number, because the mean of its divisors is an integer number (86215171056).

Almost surely, 2^172430342111 is an apocalyptic number.

172430342111 is a deficient number, since it is larger than the sum of its proper divisors (1).

172430342111 is an equidigital number, since it uses as much as digits as its factorization.

172430342111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 172430342111 its reverse (111243034271), we get a palindrome (283673376382).

The spelling of 172430342111 in words is "one hundred seventy-two billion, four hundred thirty million, three hundred forty-two thousand, one hundred eleven".