22231001323 has 4 divisors (see below), whose sum is σ = 22249731240. Its totient is φ = 22212271408.

The previous prime is 22231001321. The next prime is 22231001339. The reversal of 22231001323 is 32310013222.

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

It is a cyclic number.

It is not a de Polignac number, because 22231001323 - 2¹ = 22231001321 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 22231001323.

It is not an unprimeable number, because it can be changed into a prime (22231001321) 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, 9363178 + ... + 9365551.

It is an arithmetic number, because the mean of its divisors is an integer number (5562432810).

Almost surely, 2^22231001323 is an apocalyptic number.

22231001323 is a deficient number, since it is larger than the sum of its proper divisors (18729917).

22231001323 is a wasteful number, since it uses less digits than its factorization.

22231001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18729916.

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

Adding to 22231001323 its reverse (32310013222), we get a palindrome (54541014545).

The spelling of 22231001323 in words is "twenty-two billion, two hundred thirty-one million, one thousand, three hundred twenty-three".