2000002123 has 4 divisors (see below), whose sum is σ = 2285716720. Its totient is φ = 1714287528.

The previous prime is 2000002091. The next prime is 2000002129. The reversal of 2000002123 is 3212000002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2000002123 - 2⁵ = 2000002091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2000002129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142857288 + ... + 142857301.

It is an arithmetic number, because the mean of its divisors is an integer number (571429180).

Almost surely, 2^2000002123 is an apocalyptic number.

2000002123 is a deficient number, since it is larger than the sum of its proper divisors (285714597).

2000002123 is an equidigital number, since it uses as much as digits as its factorization.

2000002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285714596.

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

The square root of 2000002123 is about 44721.3832858511. The cubic root of 2000002123 is about 1259.9214956968.

Adding to 2000002123 its reverse (3212000002), we get a palindrome (5212002125).

The spelling of 2000002123 in words is "two billion, two thousand, one hundred twenty-three".