43002303142243 has 16 divisors (see below), whose sum is σ = 43861990919616. Its totient is φ = 42144412078080.

The previous prime is 43002303142219. The next prime is 43002303142277. The reversal of 43002303142243 is 34224130320034.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 43002303142243 - 2⁹ = 43002303141731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43002303148243) 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, 879890098 + ... + 879938968.

It is an arithmetic number, because the mean of its divisors is an integer number (2741374432476).

Almost surely, 2^{43002303142243} is an apocalyptic number.

43002303142243 is a deficient number, since it is larger than the sum of its proper divisors (859687777373).

43002303142243 is a wasteful number, since it uses less digits than its factorization.

43002303142243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66894.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 43002303142243 its reverse (34224130320034), we get a palindrome (77226433462277).

The spelling of 43002303142243 in words is "forty-three trillion, two billion, three hundred three million, one hundred forty-two thousand, two hundred forty-three".