2002123 has 8 divisors (see below), whose sum is σ = 2073456. Its totient is φ = 1932000.

The previous prime is 2002093. The next prime is 2002151. The reversal of 2002123 is 3212002.

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 2002123 - 2⁹ = 2001611 is a prime.

It is a Duffinian number.

2002123 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2002223) 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, 4113 + ... + 4573.

It is an arithmetic number, because the mean of its divisors is an integer number (259182).

2^2002123 is an apocalyptic number.

2002123 is a deficient number, since it is larger than the sum of its proper divisors (71333).

2002123 is a wasteful number, since it uses less digits than its factorization.

2002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2002123 is about 1414.9639571381. The cubic root of 2002123 is about 126.0366694313.

Adding to 2002123 its reverse (3212002), we get a palindrome (5214125).

The spelling of 2002123 in words is "two million, two thousand, one hundred twenty-three".