2043343123 has 2 divisors, whose sum is σ = 2043343124. Its totient is φ = 2043343122.

The previous prime is 2043343063. The next prime is 2043343139. The reversal of 2043343123 is 3213433402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2043343123 - 2⁹ = 2043342611 is a prime.

It is a super-2 number, since 2×2043343123² = 8350502236622786258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2043343193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021671561 + 1021671562.

It is an arithmetic number, because the mean of its divisors is an integer number (1021671562).

Almost surely, 2^2043343123 is an apocalyptic number.

2043343123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043343123 is an equidigital number, since it uses as much as digits as its factorization.

2043343123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 2043343123 is about 45203.3530061654. The cubic root of 2043343123 is about 1268.9575679295.

Adding to 2043343123 its reverse (3213433402), we get a palindrome (5256776525).

The spelling of 2043343123 in words is "two billion, forty-three million, three hundred forty-three thousand, one hundred twenty-three".