13203222123 has 32 divisors (see below), whose sum is σ = 21684038656. Its totient is φ = 6958804608.

The previous prime is 13203222103. The next prime is 13203222173. The reversal of 13203222123 is 32122230231.

It is a happy number.

It is not a de Polignac number, because 13203222123 - 2¹⁴ = 13203205739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13203222123.

It is not an unprimeable number, because it can be changed into a prime (13203222103) 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 31 ways as a sum of consecutive naturals, for example, 337161 + ... + 374277.

It is an arithmetic number, because the mean of its divisors is an integer number (677626208).

Almost surely, 2^13203222123 is an apocalyptic number.

13203222123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13203222123 is a deficient number, since it is larger than the sum of its proper divisors (8480816533).

13203222123 is a wasteful number, since it uses less digits than its factorization.

13203222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38443.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13203222123 its reverse (32122230231), we get a palindrome (45325452354).

The spelling of 13203222123 in words is "thirteen billion, two hundred three million, two hundred twenty-two thousand, one hundred twenty-three".