2201321323 has 12 divisors (see below), whose sum is σ = 2333338488. Its totient is φ = 2076432480.

The previous prime is 2201321303. The next prime is 2201321341. The reversal of 2201321323 is 3231231022.

It is a de Polignac number, because none of the positive numbers 2^k-2201321323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201321323.

It is not an unprimeable number, because it can be changed into a prime (2201321303) 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 11 ways as a sum of consecutive naturals, for example, 71028 + ... + 97198.

It is an arithmetic number, because the mean of its divisors is an integer number (194444874).

Almost surely, 2^2201321323 is an apocalyptic number.

2201321323 is a deficient number, since it is larger than the sum of its proper divisors (132017165).

2201321323 is a wasteful number, since it uses less digits than its factorization.

2201321323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26442 (or 26423 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2201321323 is about 46918.2408344558. The cubic root of 2201321323 is about 1300.8517737396.

Adding to 2201321323 its reverse (3231231022), we get a palindrome (5432552345).

The spelling of 2201321323 in words is "two billion, two hundred one million, three hundred twenty-one thousand, three hundred twenty-three".