43243312223 has 2 divisors, whose sum is σ = 43243312224. Its totient is φ = 43243312222.

The previous prime is 43243312169. The next prime is 43243312237. The reversal of 43243312223 is 32221334234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43243312223 - 2¹⁴ = 43243295839 is a prime.

It is a super-2 number, since 2×43243312223² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43243312243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21621656111 + 21621656112.

It is an arithmetic number, because the mean of its divisors is an integer number (21621656112).

Almost surely, 2^43243312223 is an apocalyptic number.

43243312223 is a deficient number, since it is larger than the sum of its proper divisors (1).

43243312223 is an equidigital number, since it uses as much as digits as its factorization.

43243312223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 29.

Adding to 43243312223 its reverse (32221334234), we get a palindrome (75464646457).

The spelling of 43243312223 in words is "forty-three billion, two hundred forty-three million, three hundred twelve thousand, two hundred twenty-three".