13203323043 has 16 divisors (see below), whose sum is σ = 17805715200. Its totient is φ = 8702138016.

The previous prime is 13203323033. The next prime is 13203323123. The reversal of 13203323043 is 34032330231.

It is a happy number.

It is not a de Polignac number, because 13203323043 - 2²⁵ = 13169768611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13203323033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23296 + ... + 164162.

It is an arithmetic number, because the mean of its divisors is an integer number (1112857200).

Almost surely, 2^13203323043 is an apocalyptic number.

13203323043 is a deficient number, since it is larger than the sum of its proper divisors (4602392157).

13203323043 is a wasteful number, since it uses less digits than its factorization.

13203323043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141226.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 13203323043 its reverse (34032330231), we get a palindrome (47235653274).

The spelling of 13203323043 in words is "thirteen billion, two hundred three million, three hundred twenty-three thousand, forty-three".