423210133 has 4 divisors (see below), whose sum is σ = 423257580. Its totient is φ = 423162688.

The previous prime is 423210089. The next prime is 423210173. The reversal of 423210133 is 331012324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 249576804 + 173633329 = 15798^2 + 13177^2 .

It is a cyclic number.

It is not a de Polignac number, because 423210133 - 2⁹ = 423209621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423210133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423210173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5860 + ... + 29677.

It is an arithmetic number, because the mean of its divisors is an integer number (105814395).

Almost surely, 2^423210133 is an apocalyptic number.

It is an amenable number.

423210133 is a deficient number, since it is larger than the sum of its proper divisors (47447).

423210133 is a wasteful number, since it uses less digits than its factorization.

423210133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47446.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 423210133 is about 20572.0716749675. The cubic root of 423210133 is about 750.7903567483.

Adding to 423210133 its reverse (331012324), we get a palindrome (754222457).

It can be divided in two parts, 4232 and 10133, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 423210133 in words is "four hundred twenty-three million, two hundred ten thousand, one hundred thirty-three".