22540223323 has 2 divisors, whose sum is σ = 22540223324. Its totient is φ = 22540223322.

The previous prime is 22540223311. The next prime is 22540223371. The reversal of 22540223323 is 32332204522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22540223323 - 2²⁹ = 22003352411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22540223291 and 22540223300.

It is not a weakly prime, because it can be changed into another prime (22540223723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270111661 + 11270111662.

It is an arithmetic number, because the mean of its divisors is an integer number (11270111662).

Almost surely, 2^22540223323 is an apocalyptic number.

22540223323 is a deficient number, since it is larger than the sum of its proper divisors (1).

22540223323 is an equidigital number, since it uses as much as digits as its factorization.

22540223323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 22540223323 its reverse (32332204522), we get a palindrome (54872427845).

The spelling of 22540223323 in words is "twenty-two billion, five hundred forty million, two hundred twenty-three thousand, three hundred twenty-three".