13423203401 has 2 divisors, whose sum is σ = 13423203402. Its totient is φ = 13423203400.

The previous prime is 13423203379. The next prime is 13423203439. The reversal of 13423203401 is 10430232431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7835790400 + 5587413001 = 88520^2 + 74749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13423203401 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13423203481) 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 as a sum of consecutive naturals, namely, 6711601700 + 6711601701.

It is an arithmetic number, because the mean of its divisors is an integer number (6711601701).

Almost surely, 2^13423203401 is an apocalyptic number.

It is an amenable number.

13423203401 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423203401 is an equidigital number, since it uses as much as digits as its factorization.

13423203401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13423203401 its reverse (10430232431), we get a palindrome (23853435832).

The spelling of 13423203401 in words is "thirteen billion, four hundred twenty-three million, two hundred three thousand, four hundred one".