403203040343 has 4 divisors (see below), whose sum is σ = 403995188280. Its totient is φ = 402410892408.

The previous prime is 403203040337. The next prime is 403203040381. The reversal of 403203040343 is 343040302304.

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 403203040343 - 2²⁴ = 403186263127 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 (403203070343) 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, 396073205 + ... + 396074222.

It is an arithmetic number, because the mean of its divisors is an integer number (100998797070).

Almost surely, 2^403203040343 is an apocalyptic number.

403203040343 is a deficient number, since it is larger than the sum of its proper divisors (792147937).

403203040343 is an equidigital number, since it uses as much as digits as its factorization.

403203040343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792147936.

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 403203040343 its reverse (343040302304), we get a palindrome (746243342647).

The spelling of 403203040343 in words is "four hundred three billion, two hundred three million, forty thousand, three hundred forty-three".