2004023123 has 2 divisors, whose sum is σ = 2004023124. Its totient is φ = 2004023122.

The previous prime is 2004023107. The next prime is 2004023137. The reversal of 2004023123 is 3213204002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2004023123 - 2⁴ = 2004023107 is a prime.

It is a super-2 number, since 2×2004023123² = 8032217355037346258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2004022123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002011561 + 1002011562.

It is an arithmetic number, because the mean of its divisors is an integer number (1002011562).

Almost surely, 2^2004023123 is an apocalyptic number.

2004023123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004023123 is an equidigital number, since it uses as much as digits as its factorization.

2004023123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2004023123 is about 44766.3168353172. The cubic root of 2004023123 is about 1260.7652869617.

Adding to 2004023123 its reverse (3213204002), we get a palindrome (5217227125).

The spelling of 2004023123 in words is "two billion, four million, twenty-three thousand, one hundred twenty-three".