13230231233 has 2 divisors, whose sum is σ = 13230231234. Its totient is φ = 13230231232.

The previous prime is 13230231211. The next prime is 13230231251. The reversal of 13230231233 is 33213203231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12725644864 + 504586369 = 112808^2 + 22463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13230231233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13230231199 and 13230231208.

It is not a weakly prime, because it can be changed into another prime (13230231263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615115616 + 6615115617.

It is an arithmetic number, because the mean of its divisors is an integer number (6615115617).

Almost surely, 2^13230231233 is an apocalyptic number.

It is an amenable number.

13230231233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13230231233 is an equidigital number, since it uses as much as digits as its factorization.

13230231233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13230231233 its reverse (33213203231), we get a palindrome (46443434464).

The spelling of 13230231233 in words is "thirteen billion, two hundred thirty million, two hundred thirty-one thousand, two hundred thirty-three".