22323203321 has 2 divisors, whose sum is σ = 22323203322. Its totient is φ = 22323203320.

The previous prime is 22323203281. The next prime is 22323203327. The reversal of 22323203321 is 12330232322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22144713721 + 178489600 = 148811^2 + 13360^2 .

It is a cyclic number.

It is not a de Polignac number, because 22323203321 - 2²² = 22319009017 is a prime.

It is a super-3 number, since 3×22323203321³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22323203327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11161601660 + 11161601661.

It is an arithmetic number, because the mean of its divisors is an integer number (11161601661).

Almost surely, 2^22323203321 is an apocalyptic number.

It is an amenable number.

22323203321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22323203321 is an equidigital number, since it uses as much as digits as its factorization.

22323203321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22323203321 its reverse (12330232322), we get a palindrome (34653435643).

The spelling of 22323203321 in words is "twenty-two billion, three hundred twenty-three million, two hundred three thousand, three hundred twenty-one".