42300043211243 has 4 divisors (see below), whose sum is σ = 42300093278760. Its totient is φ = 42299993143728.

The previous prime is 42300043211219. The next prime is 42300043211249. The reversal of 42300043211243 is 34211234000324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42300043211243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42300043211249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23744330 + ... + 25463567.

It is an arithmetic number, because the mean of its divisors is an integer number (10575023319690).

Almost surely, 2^{42300043211243} is an apocalyptic number.

42300043211243 is a deficient number, since it is larger than the sum of its proper divisors (50067517).

42300043211243 is an equidigital number, since it uses as much as digits as its factorization.

42300043211243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50067516.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42300043211243 its reverse (34211234000324), we get a palindrome (76511277211567).

The spelling of 42300043211243 in words is "forty-two trillion, three hundred billion, forty-three million, two hundred eleven thousand, two hundred forty-three".