4312440043 has 2 divisors, whose sum is σ = 4312440044. Its totient is φ = 4312440042.

The previous prime is 4312440017. The next prime is 4312440091. The reversal of 4312440043 is 3400442134.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4312440043 is a prime.

It is not a weakly prime, because it can be changed into another prime (4312440343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156220021 + 2156220022.

It is an arithmetic number, because the mean of its divisors is an integer number (2156220022).

Almost surely, 2^4312440043 is an apocalyptic number.

4312440043 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312440043 is an equidigital number, since it uses as much as digits as its factorization.

4312440043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4312440043 is about 65669.1711764356. The cubic root of 4312440043 is about 1627.6999744681.

Adding to 4312440043 its reverse (3400442134), we get a palindrome (7712882177).

The spelling of 4312440043 in words is "four billion, three hundred twelve million, four hundred forty thousand, forty-three".