2002213123 has 4 divisors (see below), whose sum is σ = 2003326648. Its totient is φ = 2001099600.

The previous prime is 2002213117. The next prime is 2002213127. The reversal of 2002213123 is 3213122002.

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 2002213123 - 2¹³ = 2002204931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002213097 and 2002213106.

It is not an unprimeable number, because it can be changed into a prime (2002213127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554061 + ... + 557662.

It is an arithmetic number, because the mean of its divisors is an integer number (500831662).

Almost surely, 2^2002213123 is an apocalyptic number.

2002213123 is a deficient number, since it is larger than the sum of its proper divisors (1113525).

2002213123 is a wasteful number, since it uses less digits than its factorization.

2002213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113524.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2002213123 is about 44746.0961760912. The cubic root of 2002213123 is about 1260.3856052929.

Adding to 2002213123 its reverse (3213122002), we get a palindrome (5215335125).

The spelling of 2002213123 in words is "two billion, two million, two hundred thirteen thousand, one hundred twenty-three".