40203423350203 has 4 divisors (see below), whose sum is σ = 40961978507808. Its totient is φ = 39444868192600.

The previous prime is 40203423350173. The next prime is 40203423350243. The reversal of 40203423350203 is 30205332430204.

40203423350203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40203423350203 - 2¹³ = 40203423342011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40203423350243) 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 3 ways as a sum of consecutive naturals, for example, 379277578723 + ... + 379277578828.

It is an arithmetic number, because the mean of its divisors is an integer number (10240494626952).

Almost surely, 2^{40203423350203} is an apocalyptic number.

40203423350203 is a deficient number, since it is larger than the sum of its proper divisors (758555157605).

40203423350203 is an equidigital number, since it uses as much as digits as its factorization.

40203423350203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758555157604.

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 40203423350203 its reverse (30205332430204), we get a palindrome (70408755780407).

The spelling of 40203423350203 in words is "forty trillion, two hundred three billion, four hundred twenty-three million, three hundred fifty thousand, two hundred three".