22011012323 has 4 divisors (see below), whose sum is σ = 22142814960. Its totient is φ = 21879209688.

The previous prime is 22011012253. The next prime is 22011012329. The reversal of 22011012323 is 32321011022.

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 22011012323 - 2²⁶ = 21943903459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011012329) 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, 65901068 + ... + 65901401.

It is an arithmetic number, because the mean of its divisors is an integer number (5535703740).

Almost surely, 2^22011012323 is an apocalyptic number.

22011012323 is a deficient number, since it is larger than the sum of its proper divisors (131802637).

22011012323 is a wasteful number, since it uses less digits than its factorization.

22011012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131802636.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22011012323 its reverse (32321011022), we get a palindrome (54332023345).

The spelling of 22011012323 in words is "twenty-two billion, eleven million, twelve thousand, three hundred twenty-three".