1323220201 has 8 divisors (see below), whose sum is σ = 1329571584. Its totient is φ = 1316884800.

The previous prime is 1323220181. The next prime is 1323220237. The reversal of 1323220201 is 1020223231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323220201 - 2¹¹ = 1323218153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323220271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182100 + ... + 189226.

It is an arithmetic number, because the mean of its divisors is an integer number (166196448).

Almost surely, 2^1323220201 is an apocalyptic number.

It is an amenable number.

1323220201 is a deficient number, since it is larger than the sum of its proper divisors (6351383).

1323220201 is an equidigital number, since it uses as much as digits as its factorization.

1323220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7991.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1323220201 is about 36376.0938117330. The cubic root of 1323220201 is about 1097.8526153558.

Adding to 1323220201 its reverse (1020223231), we get a palindrome (2343443432).

It can be divided in two parts, 13232 and 20201, that added together give a palindrome (33433).

The spelling of 1323220201 in words is "one billion, three hundred twenty-three million, two hundred twenty thousand, two hundred one".