43143142103 has 2 divisors, whose sum is σ = 43143142104. Its totient is φ = 43143142102.

The previous prime is 43143142093. The next prime is 43143142127. The reversal of 43143142103 is 30124134134.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43143142103 - 2¹⁶ = 43143076567 is a prime.

It is a super-2 number, since 2×43143142103² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43143142183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21571571051 + 21571571052.

It is an arithmetic number, because the mean of its divisors is an integer number (21571571052).

Almost surely, 2^43143142103 is an apocalyptic number.

43143142103 is a deficient number, since it is larger than the sum of its proper divisors (1).

43143142103 is an equidigital number, since it uses as much as digits as its factorization.

43143142103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 43143142103 its reverse (30124134134), we get a palindrome (73267276237).

The spelling of 43143142103 in words is "forty-three billion, one hundred forty-three million, one hundred forty-two thousand, one hundred three".