13223020001 has 4 divisors (see below), whose sum is σ = 13291533252. Its totient is φ = 13154506752.

The previous prime is 13223019991. The next prime is 13223020007. The reversal of 13223020001 is 10002032231.

It is a happy number.

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 1898867776 + 11324152225 = 43576^2 + 106415^2 .

It is a cyclic number.

It is not a de Polignac number, because 13223020001 - 2¹⁴ = 13223003617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13223020007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34256336 + ... + 34256721.

It is an arithmetic number, because the mean of its divisors is an integer number (3322883313).

Almost surely, 2^13223020001 is an apocalyptic number.

It is an amenable number.

13223020001 is a deficient number, since it is larger than the sum of its proper divisors (68513251).

13223020001 is an equidigital number, since it uses as much as digits as its factorization.

13223020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68513250.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13223020001 its reverse (10002032231), we get a palindrome (23225052232).

The spelling of 13223020001 in words is "thirteen billion, two hundred twenty-three million, twenty thousand, one".