22123031233 has 4 divisors (see below), whose sum is σ = 22337818048. Its totient is φ = 21908244420.

The previous prime is 22123031221. The next prime is 22123031267. The reversal of 22123031233 is 33213032122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22123031233 - 2²¹ = 22120934081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22123031033) 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, 107393253 + ... + 107393458.

It is an arithmetic number, because the mean of its divisors is an integer number (5584454512).

Almost surely, 2^22123031233 is an apocalyptic number.

It is an amenable number.

22123031233 is a deficient number, since it is larger than the sum of its proper divisors (214786815).

22123031233 is a wasteful number, since it uses less digits than its factorization.

22123031233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214786814.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22123031233 its reverse (33213032122), we get a palindrome (55336063355).

The spelling of 22123031233 in words is "twenty-two billion, one hundred twenty-three million, thirty-one thousand, two hundred thirty-three".