40343123324401 has 2 divisors, whose sum is σ = 40343123324402. Its totient is φ = 40343123324400.

The previous prime is 40343123324369. The next prime is 40343123324437. The reversal of 40343123324401 is 10442332134304.

40343123324401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20808924422400 + 19534198902001 = 4561680^2 + 4419751^2 .

It is a cyclic number.

It is not a de Polignac number, because 40343123324401 - 2⁵ = 40343123324369 is a prime.

It is not a weakly prime, because it can be changed into another prime (40343123324461) 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, 20171561662200 + 20171561662201.

It is an arithmetic number, because the mean of its divisors is an integer number (20171561662201).

Almost surely, 2^{40343123324401} is an apocalyptic number.

It is an amenable number.

40343123324401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40343123324401 is an equidigital number, since it uses as much as digits as its factorization.

40343123324401 is an odious number, because the sum of its binary digits is odd.

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

Adding to 40343123324401 its reverse (10442332134304), we get a palindrome (50785455458705).

The spelling of 40343123324401 in words is "forty trillion, three hundred forty-three billion, one hundred twenty-three million, three hundred twenty-four thousand, four hundred one".