423122233 has 2 divisors, whose sum is σ = 423122234. Its totient is φ = 423122232.

The previous prime is 423122221. The next prime is 423122239. The reversal of 423122233 is 332221324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372953344 + 50168889 = 19312^2 + 7083^2 .

It is a cyclic number.

It is not a de Polignac number, because 423122233 - 2⁵ = 423122201 is a prime.

It is not a weakly prime, because it can be changed into another prime (423122239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211561116 + 211561117.

It is an arithmetic number, because the mean of its divisors is an integer number (211561117).

Almost surely, 2^423122233 is an apocalyptic number.

It is an amenable number.

423122233 is a deficient number, since it is larger than the sum of its proper divisors (1).

423122233 is an equidigital number, since it uses as much as digits as its factorization.

423122233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 22.

The square root of 423122233 is about 20569.9351724793. The cubic root of 423122233 is about 750.7383738705.

Adding to 423122233 its reverse (332221324), we get a palindrome (755343557).

Subtracting from 423122233 its reverse (332221324), we obtain a palindrome (90900909).

The spelling of 423122233 in words is "four hundred twenty-three million, one hundred twenty-two thousand, two hundred thirty-three".