4243223211431 has 4 divisors (see below), whose sum is σ = 4243227869664. Its totient is φ = 4243218553200.

The previous prime is 4243223211421. The next prime is 4243223211523. The reversal of 4243223211431 is 1341123223424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4243223211431 - 2¹⁴ = 4243223195047 is a prime.

It is a super-2 number, since 2×4243223211431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243223211421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465935 + ... + 2950176.

It is an arithmetic number, because the mean of its divisors is an integer number (1060806967416).

Almost surely, 2^{4243223211431} is an apocalyptic number.

4243223211431 is a deficient number, since it is larger than the sum of its proper divisors (4658233).

4243223211431 is a wasteful number, since it uses less digits than its factorization.

4243223211431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658232.

The product of its digits is 27648, while the sum is 32.

Adding to 4243223211431 its reverse (1341123223424), we get a palindrome (5584346434855).

The spelling of 4243223211431 in words is "four trillion, two hundred forty-three billion, two hundred twenty-three million, two hundred eleven thousand, four hundred thirty-one".