13203403343 has 12 divisors (see below), whose sum is σ = 14683593528. Its totient is φ = 11858352480.

The previous prime is 13203403337. The next prime is 13203403363. The reversal of 13203403343 is 34330430231.

It is a happy number.

It is not a de Polignac number, because 13203403343 - 2¹⁰ = 13203402319 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 (13203403333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1049513 + ... + 1062018.

It is an arithmetic number, because the mean of its divisors is an integer number (1223632794).

Almost surely, 2^13203403343 is an apocalyptic number.

13203403343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13203403343 is a deficient number, since it is larger than the sum of its proper divisors (1480190185).

13203403343 is a wasteful number, since it uses less digits than its factorization.

13203403343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111594 (or 2111581 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 13203403343 its reverse (34330430231), we get a palindrome (47533833574).

The spelling of 13203403343 in words is "thirteen billion, two hundred three million, four hundred three thousand, three hundred forty-three".