162123 has 8 divisors (see below), whose sum is σ = 232848. Its totient is φ = 99744.

The previous prime is 162119. The next prime is 162143. The reversal of 162123 is 321261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 162123 - 2² = 162119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040 + ... + 2117.

It is an arithmetic number, because the mean of its divisors is an integer number (29106).

2¹⁶²¹²³ is an apocalyptic number.

162123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

162123 is a deficient number, since it is larger than the sum of its proper divisors (70725).

162123 is a wasteful number, since it uses less digits than its factorization.

162123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173.

The product of its digits is 72, while the sum is 15.

The square root of 162123 is about 402.6450049361. The cubic root of 162123 is about 54.5274109510.

Adding to 162123 its reverse (321261), we get a palindrome (483384).

The spelling of 162123 in words is "one hundred sixty-two thousand, one hundred twenty-three".