43142103103243 has 16 divisors (see below), whose sum is σ = 45973408152096. Its totient is φ = 40343557040640.

The previous prime is 43142103103219. The next prime is 43142103103247. The reversal of 43142103103243 is 34230130124134.

It is a cyclic number.

It is not a de Polignac number, because 43142103103243 - 2²⁵ = 43142069548811 is a prime.

It is a super-2 number, since 2×43142103103243² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43142103103247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7341205 + ... + 11839657.

It is an arithmetic number, because the mean of its divisors is an integer number (2873338009506).

Almost surely, 2^{43142103103243} is an apocalyptic number.

43142103103243 is a deficient number, since it is larger than the sum of its proper divisors (2831305048853).

43142103103243 is a wasteful number, since it uses less digits than its factorization.

43142103103243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502094.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 43142103103243 its reverse (34230130124134), we get a palindrome (77372233227377).

The spelling of 43142103103243 in words is "forty-three trillion, one hundred forty-two billion, one hundred three million, one hundred three thousand, two hundred forty-three".