423402233 has 4 divisors (see below), whose sum is σ = 438002340. Its totient is φ = 408802128.

The previous prime is 423402227. The next prime is 423402253. The reversal of 423402233 is 332204324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 364542649 + 58859584 = 19093^2 + 7672^2 .

It is a cyclic number.

It is not a de Polignac number, because 423402233 - 2⁶ = 423402169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423402199 and 423402208.

It is not an unprimeable number, because it can be changed into a prime (423402253) 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 in 3 ways as a sum of consecutive naturals, for example, 7300010 + ... + 7300067.

It is an arithmetic number, because the mean of its divisors is an integer number (109500585).

Almost surely, 2^423402233 is an apocalyptic number.

It is an amenable number.

423402233 is a deficient number, since it is larger than the sum of its proper divisors (14600107).

423402233 is a wasteful number, since it uses less digits than its factorization.

423402233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14600106.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 423402233 is about 20576.7400965265. The cubic root of 423402233 is about 750.9039370557.

Adding to 423402233 its reverse (332204324), we get a palindrome (755606557).

The spelling of 423402233 in words is "four hundred twenty-three million, four hundred two thousand, two hundred thirty-three".