2003220123 has 4 divisors (see below), whose sum is σ = 2670960168. Its totient is φ = 1335480080.

The previous prime is 2003220119. The next prime is 2003220127. The reversal of 2003220123 is 3210223002.

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

It is an interprime number because it is at equal distance from previous prime (2003220119) and next prime (2003220127).

It is a cyclic number.

It is not a de Polignac number, because 2003220123 - 2² = 2003220119 is a prime.

It is a super-2 number, since 2×2003220123² = 8025781722384270258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2003220127) 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, 333870018 + ... + 333870023.

It is an arithmetic number, because the mean of its divisors is an integer number (667740042).

Almost surely, 2^2003220123 is an apocalyptic number.

2003220123 is a deficient number, since it is larger than the sum of its proper divisors (667740045).

2003220123 is an equidigital number, since it uses as much as digits as its factorization.

2003220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667740044.

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

The square root of 2003220123 is about 44757.3471398831. The cubic root of 2003220123 is about 1260.5968707786.

Adding to 2003220123 its reverse (3210223002), we get a palindrome (5213443125).

The spelling of 2003220123 in words is "two billion, three million, two hundred twenty thousand, one hundred twenty-three".