40203132424343 has 4 divisors (see below), whose sum is σ = 45946437056400. Its totient is φ = 34459827792288.

The previous prime is 40203132424339. The next prime is 40203132424381. The reversal of 40203132424343 is 34342423130204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40203132424343 - 2² = 40203132424339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40203132424303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2871652316018 + ... + 2871652316031.

It is an arithmetic number, because the mean of its divisors is an integer number (11486609264100).

Almost surely, 2^{40203132424343} is an apocalyptic number.

40203132424343 is a deficient number, since it is larger than the sum of its proper divisors (5743304632057).

40203132424343 is an equidigital number, since it uses as much as digits as its factorization.

40203132424343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5743304632056.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 40203132424343 its reverse (34342423130204), we get a palindrome (74545555554547).

The spelling of 40203132424343 in words is "forty trillion, two hundred three billion, one hundred thirty-two million, four hundred twenty-four thousand, three hundred forty-three".