423023233 has 4 divisors (see below), whose sum is σ = 425468628. Its totient is φ = 420577840.

The previous prime is 423023231. The next prime is 423023243. The reversal of 423023233 is 332320324.

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 260919409 + 162103824 = 16153^2 + 12732^2 .

It is a cyclic number.

It is not a de Polignac number, because 423023233 - 2¹ = 423023231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423023231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222438 + ... + 1222783.

It is an arithmetic number, because the mean of its divisors is an integer number (106367157).

Almost surely, 2^423023233 is an apocalyptic number.

It is an amenable number.

423023233 is a deficient number, since it is larger than the sum of its proper divisors (2445395).

423023233 is a wasteful number, since it uses less digits than its factorization.

423023233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445394.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 423023233 is about 20567.5286070058. The cubic root of 423023233 is about 750.6798179809.

Adding to 423023233 its reverse (332320324), we get a palindrome (755343557).

The spelling of 423023233 in words is "four hundred twenty-three million, twenty-three thousand, two hundred thirty-three".