13231423201 has 4 divisors (see below), whose sum is σ = 13232372500. Its totient is φ = 13230473904.

The previous prime is 13231423189. The next prime is 13231423207. The reversal of 13231423201 is 10232413231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11008206400 + 2223216801 = 104920^2 + 47151^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231423201 - 2⁹ = 13231422689 is a prime.

It is a super-2 number, since 2×13231423201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231423207) 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 3 ways as a sum of consecutive naturals, for example, 453426 + ... + 481723.

It is an arithmetic number, because the mean of its divisors is an integer number (3308093125).

Almost surely, 2^13231423201 is an apocalyptic number.

It is an amenable number.

13231423201 is a deficient number, since it is larger than the sum of its proper divisors (949299).

13231423201 is an equidigital number, since it uses as much as digits as its factorization.

13231423201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949298.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13231423201 its reverse (10232413231), we get a palindrome (23463836432).

The spelling of 13231423201 in words is "thirteen billion, two hundred thirty-one million, four hundred twenty-three thousand, two hundred one".