2003030123 has 2 divisors, whose sum is σ = 2003030124. Its totient is φ = 2003030122.

The previous prime is 2003030111. The next prime is 2003030131. The reversal of 2003030123 is 3210303002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2003030123 - 2¹⁴ = 2003013739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003030098 and 2003030107.

It is not a weakly prime, because it can be changed into another prime (2003030143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001515061 + 1001515062.

It is an arithmetic number, because the mean of its divisors is an integer number (1001515062).

Almost surely, 2^2003030123 is an apocalyptic number.

2003030123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003030123 is an equidigital number, since it uses as much as digits as its factorization.

2003030123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 2003030123 is about 44755.2245330084. The cubic root of 2003030123 is about 1260.5570147862.

Adding to 2003030123 its reverse (3210303002), we get a palindrome (5213333125).

The spelling of 2003030123 in words is "two billion, three million, thirty thousand, one hundred twenty-three".