22201312323 has 4 divisors (see below), whose sum is σ = 29601749768. Its totient is φ = 14800874880.

The previous prime is 22201312307. The next prime is 22201312351. The reversal of 22201312323 is 32321310222.

It is a happy number.

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

It is not a de Polignac number, because 22201312323 - 2⁴ = 22201312307 is a prime.

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 22201312323.

It is not an unprimeable number, because it can be changed into a prime (22201312363) 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, 3700218718 + ... + 3700218723.

It is an arithmetic number, because the mean of its divisors is an integer number (7400437442).

Almost surely, 2^22201312323 is an apocalyptic number.

22201312323 is a deficient number, since it is larger than the sum of its proper divisors (7400437445).

22201312323 is an equidigital number, since it uses as much as digits as its factorization.

22201312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400437444.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22201312323 its reverse (32321310222), we get a palindrome (54522622545).

The spelling of 22201312323 in words is "twenty-two billion, two hundred one million, three hundred twelve thousand, three hundred twenty-three".