13230020233 has 4 divisors (see below), whose sum is σ = 13805238528. Its totient is φ = 12654801940.

The previous prime is 13230020203. The next prime is 13230020249. The reversal of 13230020233 is 33202003231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13230020233 - 2⁵ = 13230020201 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 13230020233.

It is not an unprimeable number, because it can be changed into a prime (13230020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287609113 + ... + 287609158.

It is an arithmetic number, because the mean of its divisors is an integer number (3451309632).

Almost surely, 2^13230020233 is an apocalyptic number.

It is an amenable number.

13230020233 is a deficient number, since it is larger than the sum of its proper divisors (575218295).

13230020233 is an equidigital number, since it uses as much as digits as its factorization.

13230020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575218294.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 13230020233 its reverse (33202003231), we get a palindrome (46432023464).

The spelling of 13230020233 in words is "thirteen billion, two hundred thirty million, twenty thousand, two hundred thirty-three".