4223401340423 has 2 divisors, whose sum is σ = 4223401340424. Its totient is φ = 4223401340422.

The previous prime is 4223401340381. The next prime is 4223401340527. The reversal of 4223401340423 is 3240431043224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4223401340423 - 2¹⁴ = 4223401324039 is a prime.

It is a super-3 number, since 3×4223401340423³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4223401340423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4223401340023) 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, 2111700670211 + 2111700670212.

It is an arithmetic number, because the mean of its divisors is an integer number (2111700670212).

Almost surely, 2^{4223401340423} is an apocalyptic number.

4223401340423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223401340423 is an equidigital number, since it uses as much as digits as its factorization.

4223401340423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 4223401340423 its reverse (3240431043224), we get a palindrome (7463832383647).

The spelling of 4223401340423 in words is "four trillion, two hundred twenty-three billion, four hundred one million, three hundred forty thousand, four hundred twenty-three".