172344103 has 2 divisors, whose sum is σ = 172344104. Its totient is φ = 172344102.

The previous prime is 172344089. The next prime is 172344119. The reversal of 172344103 is 301443271.

It is a weak prime.

It is an emirp because it is prime and its reverse (301443271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172344103 - 2¹⁷ = 172213031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172144103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86172051 + 86172052.

It is an arithmetic number, because the mean of its divisors is an integer number (86172052).

Almost surely, 2^172344103 is an apocalyptic number.

172344103 is a deficient number, since it is larger than the sum of its proper divisors (1).

172344103 is an equidigital number, since it uses as much as digits as its factorization.

172344103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 172344103 is about 13127.9892976800. The cubic root of 172344103 is about 556.5003938046.

Adding to 172344103 its reverse (301443271), we get a palindrome (473787374).

The spelling of 172344103 in words is "one hundred seventy-two million, three hundred forty-four thousand, one hundred three".