123222233 has 2 divisors, whose sum is σ = 123222234. Its totient is φ = 123222232.

The previous prime is 123222223. The next prime is 123222259. The reversal of 123222233 is 332222321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111682624 + 11539609 = 10568^2 + 3397^2 .

It is an emirp because it is prime and its reverse (332222321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123222233 - 2⁴ = 123222217 is a prime.

It is not a weakly prime, because it can be changed into another prime (123222223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611116 + 61611117.

It is an arithmetic number, because the mean of its divisors is an integer number (61611117).

Almost surely, 2^123222233 is an apocalyptic number.

It is an amenable number.

123222233 is a deficient number, since it is larger than the sum of its proper divisors (1).

123222233 is an equidigital number, since it uses as much as digits as its factorization.

123222233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 20.

The square root of 123222233 is about 11100.5510223592. The cubic root of 123222233 is about 497.6183171871.

Adding to 123222233 its reverse (332222321), we get a palindrome (455444554).

The spelling of 123222233 in words is "one hundred twenty-three million, two hundred twenty-two thousand, two hundred thirty-three".