4123433221423 has 2 divisors, whose sum is σ = 4123433221424. Its totient is φ = 4123433221422.

The previous prime is 4123433221363. The next prime is 4123433221447. The reversal of 4123433221423 is 3241223343214.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4123433221423 is a prime.

It is a super-2 number, since 2×4123433221423² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4123433221483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061716610711 + 2061716610712.

It is an arithmetic number, because the mean of its divisors is an integer number (2061716610712).

Almost surely, 2^{4123433221423} is an apocalyptic number.

4123433221423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4123433221423 is an equidigital number, since it uses as much as digits as its factorization.

4123433221423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 34.

Adding to 4123433221423 its reverse (3241223343214), we get a palindrome (7364656564637).

The spelling of 4123433221423 in words is "four trillion, one hundred twenty-three billion, four hundred thirty-three million, two hundred twenty-one thousand, four hundred twenty-three".