162345123 has 12 divisors (see below), whose sum is σ = 235045720. Its totient is φ = 107977536.

The previous prime is 162345119. The next prime is 162345133. The reversal of 162345123 is 321543261.

It is not a de Polignac number, because 162345123 - 2² = 162345119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162345133) 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 in 11 ways as a sum of consecutive naturals, for example, 16933 + ... + 24726.

Almost surely, 2^162345123 is an apocalyptic number.

162345123 is a deficient number, since it is larger than the sum of its proper divisors (72700597).

162345123 is a wasteful number, since it uses less digits than its factorization.

162345123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42098 (or 42095 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 162345123 is about 12741.4725601086. The cubic root of 162345123 is about 545.5230206231.

Adding to 162345123 its reverse (321543261), we get a palindrome (483888384).

The spelling of 162345123 in words is "one hundred sixty-two million, three hundred forty-five thousand, one hundred twenty-three".