3040020043 has 2 divisors, whose sum is σ = 3040020044. Its totient is φ = 3040020042.

The previous prime is 3040020037. The next prime is 3040020077. The reversal of 3040020043 is 3400200403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3040020043 - 2⁹ = 3040019531 is a prime.

It is a super-3 number, since 3×3040020043³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3040019999 and 3040020026.

It is not a weakly prime, because it can be changed into another prime (3040020443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1520010021 + 1520010022.

It is an arithmetic number, because the mean of its divisors is an integer number (1520010022).

Almost surely, 2^3040020043 is an apocalyptic number.

3040020043 is a deficient number, since it is larger than the sum of its proper divisors (1).

3040020043 is an equidigital number, since it uses as much as digits as its factorization.

3040020043 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 16.

The square root of 3040020043 is about 55136.3767670673. The cubic root of 3040020043 is about 1448.6344723345.

Adding to 3040020043 its reverse (3400200403), we get a palindrome (6440220446).

The spelling of 3040020043 in words is "three billion, forty million, twenty thousand, forty-three".