2004220123 has 2 divisors, whose sum is σ = 2004220124. Its totient is φ = 2004220122.

The previous prime is 2004220079. The next prime is 2004220129. The reversal of 2004220123 is 3210224002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2004220123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2004220097 and 2004220106.

It is not a weakly prime, because it can be changed into another prime (2004220129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002110061 + 1002110062.

It is an arithmetic number, because the mean of its divisors is an integer number (1002110062).

Almost surely, 2^2004220123 is an apocalyptic number.

2004220123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004220123 is an equidigital number, since it uses as much as digits as its factorization.

2004220123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2004220123 is about 44768.5170962810. The cubic root of 2004220123 is about 1260.8065976334.

Adding to 2004220123 its reverse (3210224002), we get a palindrome (5214444125).

The spelling of 2004220123 in words is "two billion, four million, two hundred twenty thousand, one hundred twenty-three".