43143040067 has 2 divisors, whose sum is σ = 43143040068. Its totient is φ = 43143040066.

The previous prime is 43143040013. The next prime is 43143040097. The reversal of 43143040067 is 76004034134.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43143040067 is a prime.

It is a super-2 number, since 2×43143040067² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43143040097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21571520033 + 21571520034.

It is an arithmetic number, because the mean of its divisors is an integer number (21571520034).

Almost surely, 2^43143040067 is an apocalyptic number.

43143040067 is a deficient number, since it is larger than the sum of its proper divisors (1).

43143040067 is an equidigital number, since it uses as much as digits as its factorization.

43143040067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 43143040067 in words is "forty-three billion, one hundred forty-three million, forty thousand, sixty-seven".