403203121313043 has 4 divisors (see below), whose sum is σ = 537604161750728. Its totient is φ = 268802080875360.

The previous prime is 403203121313017. The next prime is 403203121313099. The reversal of 403203121313043 is 340313121302304.

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

It is not a de Polignac number, because 403203121313043 - 2⁸ = 403203121312787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 403203121313043.

It is not an unprimeable number, because it can be changed into a prime (403203121513043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67200520218838 + ... + 67200520218843.

It is an arithmetic number, because the mean of its divisors is an integer number (134401040437682).

Almost surely, 2^{403203121313043} is an apocalyptic number.

403203121313043 is a deficient number, since it is larger than the sum of its proper divisors (134401040437685).

403203121313043 is a wasteful number, since it uses less digits than its factorization.

403203121313043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134401040437684.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 403203121313043 its reverse (340313121302304), we get a palindrome (743516242615347).

The spelling of 403203121313043 in words is "four hundred three trillion, two hundred three billion, one hundred twenty-one million, three hundred thirteen thousand, forty-three".