43111424423 has 2 divisors, whose sum is σ = 43111424424. Its totient is φ = 43111424422.

The previous prime is 43111424357. The next prime is 43111424453. The reversal of 43111424423 is 32442411134.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43111424423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43111424453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21555712211 + 21555712212.

It is an arithmetic number, because the mean of its divisors is an integer number (21555712212).

Almost surely, 2^43111424423 is an apocalyptic number.

43111424423 is a deficient number, since it is larger than the sum of its proper divisors (1).

43111424423 is an equidigital number, since it uses as much as digits as its factorization.

43111424423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

Adding to 43111424423 its reverse (32442411134), we get a palindrome (75553835557).

The spelling of 43111424423 in words is "forty-three billion, one hundred eleven million, four hundred twenty-four thousand, four hundred twenty-three".