40421323140143 has 16 divisors (see below), whose sum is σ = 45263816205696. Its totient is φ = 35778859599840.

The previous prime is 40421323140089. The next prime is 40421323140197. The reversal of 40421323140143 is 34104132312404.

40421323140143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40421323140089) and next prime (40421323140197).

It is a cyclic number.

It is not a de Polignac number, because 40421323140143 - 2¹⁶ = 40421323074607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40421323140343) 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 in 15 ways as a sum of consecutive naturals, for example, 134640821 + ... + 134940702.

It is an arithmetic number, because the mean of its divisors is an integer number (2828988512856).

Almost surely, 2^{40421323140143} is an apocalyptic number.

40421323140143 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40421323140143 is a deficient number, since it is larger than the sum of its proper divisors (4842493065553).

40421323140143 is a wasteful number, since it uses less digits than its factorization.

40421323140143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269581894.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 40421323140143 its reverse (34104132312404), we get a palindrome (74525455452547).

The spelling of 40421323140143 in words is "forty trillion, four hundred twenty-one billion, three hundred twenty-three million, one hundred forty thousand, one hundred forty-three".