4243223211043 has 4 divisors (see below), whose sum is σ = 4245685907608. Its totient is φ = 4240760514480.

The previous prime is 4243223211041. The next prime is 4243223211079. The reversal of 4243223211043 is 3401123223424.

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

It is a cyclic number.

It is not a de Polignac number, because 4243223211043 - 2¹ = 4243223211041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4243223210996 and 4243223211014.

It is not an unprimeable number, because it can be changed into a prime (4243223211041) 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, 1231345698 + ... + 1231349143.

It is an arithmetic number, because the mean of its divisors is an integer number (1061421476902).

Almost surely, 2^{4243223211043} is an apocalyptic number.

4243223211043 is a deficient number, since it is larger than the sum of its proper divisors (2462696565).

4243223211043 is a wasteful number, since it uses less digits than its factorization.

4243223211043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462696564.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4243223211043 its reverse (3401123223424), we get a palindrome (7644346434467).

The spelling of 4243223211043 in words is "four trillion, two hundred forty-three billion, two hundred twenty-three million, two hundred eleven thousand, forty-three".