13203012043 has 4 divisors (see below), whose sum is σ = 14218628368. Its totient is φ = 12187395720.

The previous prime is 13203012041. The next prime is 13203012089. The reversal of 13203012043 is 34021030231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34021030231 = 46183 ⋅736657.

It is a cyclic number.

It is not a de Polignac number, because 13203012043 - 2¹ = 13203012041 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 13203012043.

It is not an unprimeable number, because it can be changed into a prime (13203012041) 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, 507808143 + ... + 507808168.

It is an arithmetic number, because the mean of its divisors is an integer number (3554657092).

Almost surely, 2^13203012043 is an apocalyptic number.

13203012043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13203012043 is a deficient number, since it is larger than the sum of its proper divisors (1015616325).

13203012043 is a wasteful number, since it uses less digits than its factorization.

13203012043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015616324.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13203012043 its reverse (34021030231), we get a palindrome (47224042274).

The spelling of 13203012043 in words is "thirteen billion, two hundred three million, twelve thousand, forty-three".