2123022003 has 4 divisors (see below), whose sum is σ = 2830696008. Its totient is φ = 1415348000.

The previous prime is 2123021987. The next prime is 2123022071. The reversal of 2123022003 is 3002203212.

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 2123022003 - 2⁴ = 2123021987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123062003) 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, 353836998 + ... + 353837003.

It is an arithmetic number, because the mean of its divisors is an integer number (707674002).

Almost surely, 2^2123022003 is an apocalyptic number.

2123022003 is a deficient number, since it is larger than the sum of its proper divisors (707674005).

2123022003 is an equidigital number, since it uses as much as digits as its factorization.

2123022003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707674004.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2123022003 is about 46076.2629018457. The cubic root of 2123022003 is about 1285.2417705339.

Adding to 2123022003 its reverse (3002203212), we get a palindrome (5125225215).

The spelling of 2123022003 in words is "two billion, one hundred twenty-three million, twenty-two thousand, three".