662123 has 8 divisors (see below), whose sum is σ = 825600. Its totient is φ = 515880.

The previous prime is 662111. The next prime is 662141. The reversal of 662123 is 321266.

662123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 662123 - 2⁴ = 662107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 662095 and 662104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662143) 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, 4223 + ... + 4376.

It is an arithmetic number, because the mean of its divisors is an integer number (103200).

2⁶⁶²¹²³ is an apocalyptic number.

662123 is a deficient number, since it is larger than the sum of its proper divisors (163477).

662123 is a wasteful number, since it uses less digits than its factorization.

662123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617.

The product of its digits is 432, while the sum is 20.

The square root of 662123 is about 813.7094075897. The cubic root of 662123 is about 87.1591309621.

Adding to 662123 its reverse (321266), we get a palindrome (983389).

The spelling of 662123 in words is "six hundred sixty-two thousand, one hundred twenty-three".